CN103766587B - Containing the biological feedstuff composition of organic trace element and application thereof, store pig compound premix, store pig special feed - Google Patents
Containing the biological feedstuff composition of organic trace element and application thereof, store pig compound premix, store pig special feed Download PDFInfo
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Abstract
The present invention relates to field of fodder, particularly containing the biological feedstuff composition of organic trace element and application thereof, store pig compound premix, store pig special feed.This biological feedstuff composition includes organic microelement and yeast metabolism product; Organic trace element comprises cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium and nicotinate chromium.In biological feedstuff composition, the interpolation of yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element; The feed adopting biological feedstuff composition provided by the invention to obtain can significantly improve the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.
Description
Technical field
The present invention relates to field of fodder, particularly containing the biological feedstuff composition of organic trace element and application thereof, store pig compound premix, store pig special feed.
Background technology
Pork is the maximum meat products of world today's consumption figure.The growth performance of pig and Meat Quality are all very important economic indicators, and growth performance mainly reflects the Utilization ability of pig to feed nutrient, and carcass trait and the method for salary distribution of Meat Quality major embodiment nutrient in pig body.In recent decades, by the improvement of hereditary and selection, trophic level and the improvement of feeding environment, the carcass lean meat percentage of market pig, the speed of growth and the price of deed are obtained significantly improve, but the meat quality thereupon occurred constantly declines, cause generally being discontented with of consumer.Meat quality decline main manifestations be yellowish pink not good, the scoring of muscle marble grain reduces, intramuscular fat content declines, drip loss is large, tenderness reduces, degradation under the mouthfeel of meat and local flavor.Along with growth in the living standard, the quality requirements of the pork of people is more and more higher, therefore carcass lean meat percentage, the speed of growth and the price of deed that market pig had both kept higher how is made, the key subjects simultaneously keeping again good meat quality to become livestock technology worker jointly paying close attention to.
Over nearly 20 years, China's feed industry fast development is that production scale or product quality all achieve significant progress.Trace mineral supplement as feed core part is also more and more paid attention to.The trace element added is needed to comprise iron (Fe), copper (Cu), manganese (Mn), zinc (Zn), iodine (I) etc. in feed.Practice shows, the reasonable employment of feed medium trace element can play the effect improving breeding performonce fo animals, improve animal skin and raising immunity.
At present, conventional in feed trace element is inorganic microelement.But, the experimental results and application practice prove in recent years, and the Long-Time Service of inorganic microelement in animal productiong has presented following drawback: absorptivity is low, palatability is poor, potential heavy metal risk, affect animal health, unstable chemcial property, a large amount of excretion cause environmental protection pressure, the shortcoming such as vitamin isoreactivity composition generation chemical reaction easily and in feed.Particularly the inorganic microelement of feed industry use is now in the majority with sulfate, and the situation that ubiquity overdose uses, and sulfate ion both non-nutritive substances, also non-metabolite, a large amount of existence of sulfate ion may increase the sour adhesion of feed, also can affect the meat quality of store pig.
A large amount of practice confirms, organic trace element has plurality of advantages, can improve health status and the meat of store pig to a certain extent.The organic trace element complex compound that to be metallic element be combined with ligands such as protein, little peptide, amino acid, organic acid, polysaccharide derivates and formed by covalent bond or ionic bond or chelate.Compared with inorganic microelement, there is following advantage in organic trace element:
(1) biological utilisation is tired height.Research proves, organic trace element has higher bioavailability than inorganic salts, and has obvious facilitation to the growth of animal, reproduction, health and feed conversion rate etc.
(2) steady chemical structure.Organic trace element is subject to the protection of ligand; be not vulnerable to the impact being unfavorable for the physical chemical factor of Metal absorption in intestines and stomach; can prevent metal ion from alimentary canal, forming insoluble compound with hydrochloric acid in gastric juice effect; avoid forming the chelate being difficult to absorb with phytic acid, oxalic acid etc. in feed; impact by other inorganic ions and antagonist is less; the suction-operated of insoluble colloid can be stoped, there is good chemical stability and biochemical stability.
(3) immunologic function strengthens.Organic trace element is conducive to close to the natural form of enzyme absorbing, and the trace element of complexing can be transported directly in specific target tissue and enzyme system, therefrom play a role and meet body requirement after being absorbed.Organic trace element has enhancing premunition, improves immune response, promotes effect of zooblast and humoral immunity, play disease-resistant, anti-stress effect, improve animal skin situation, reduce body early embryo dead, have therapeutic action to some enteritis, dermatitis, dysentery and basin blood; Too high and under changing the stressed conditions such as daily ration at inoculation, castration, transport, temperature, there is good effect.
(4) good palatability and side effect little.Organic trace element has double nutrition and is worth, as organic acid complex compound, the organic acid required for animal body can be provided, trace element can be provided again, good palatability, toxic and side effect is little, and security is good, and absorptivity is high, easy transhipment, the activity of animal body endoenzyme can be strengthened, improve the utilization rate of protein, fat and vitamin, thus promote the performance of growth of animal performance.Little to alimentary canal ambient influnence, be conducive to digestive environments normal.Acid adhesion is low, is conducive to the performance of the normal and acidulant effect of stomach acidity environment.Not easily dissociate, living on digestive enzyme does not affect.Detrimental effect is not had to alimentary canal epithelium and fine hair, ensures the normal of digestion physical environment, improve eupepsy and absorbability.
(5) influence each other little with other composition in feed.Organic trace element ion is closed in the chela ring of chelate, significantly reduces the oxidation to the vitamin added in feed; Chelate protects trace element and is not seized by phytic acid and discharge; avoid the antagonism of a large amount of divalent calcium ions and metal trace element in alimentary canal; metal trace element is made to arrive absorption site smoothly; relatively improve trace element retaining and utilizing in body, and to digest and assimilate and mobilization utilizes speed all greatly to improve.
(6) absorptivity is beneficial to environmental protection well.In organic trace element, metal ion is under the protection of ligand, forms stable chemical constitution, has both avoided the mutual antagonism between mineral matter, turn eliminates inorganic salts easily to the drawback of vitamin oxidation.Ligand protects trace element and is not seized by phytic acid and discharge; avoid the antagonism of a large amount of divalent calcium ions and metal trace element in alimentary canal; metal trace element is made to arrive absorption site smoothly; relatively improve trace element retaining and utilizing in body, and to digest and assimilate and mobilization utilizes speed all greatly to improve.Experiment shows, the absorptivity of organic trace element is 2-4 times of mineral sulfates.
A large amount of results of study and application practice show, organic trace element has outstanding effect: improve breeding performonce fo animals, improve feed efficiency; Promote that animal intestinal is healthy, improve immunity and premunition, alleviation stress; Participate in hormone regulating and controlling, improve reproductive performance; Safeguard epithelial tissue integrality, be beneficial to limb hoof healthy, improve animal colour of skin hair condition; Promote meat quality, promote human health.
But, in production practices, the absorptivity of organic trace element reaches perfect condition not yet, causes meat quality not high, as meat is not good, yellowish pink poor, the scoring of muscle marble grain is low, and intramuscular fat content is low, drip loss is large, tenderness is low, and the taste flavor of meat is not good enough, thus greatly limit its application in feed industry.Therefore how to improve the utilization rate of organic trace element, improving meat quality, is the focus studied in feedstuff industry.
Summary of the invention
In view of this, the invention provides containing the biological feedstuff composition of organic trace element and application thereof, store pig compound premix, store pig special feed.In biological feedstuff composition, the interpolation of yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element; The feed good palatability adopting biological feedstuff composition provided by the invention obtained, absorptivity are high, without potential heavy metal risk, safety and environmental protection, the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark can be significantly improved, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.
In order to realize foregoing invention object, the invention provides following technical scheme:
The invention provides a kind of biological feedstuff composition, this biological feedstuff composition includes organic microelement and yeast metabolism product;
Organic trace element comprises cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium and nicotinate chromium;
The preparation method of yeast metabolism product is: getting yeast culture and pulverize, take water as solvent extraction, obtains extract; Extract, through concentrated, centrifugal, collects supernatant; Supernatant is purified, concentrated, dry, to obtain final product;
Organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is (7.5 ~ 15): (20 ~ 45): (27.5 ~ 42.5): (7.5 ~ 12.5): (0.1 ~ 0.15): (0.05 ~ 0.1): (60 ~ 80).
In the present invention, organic trace element, by preferred feedstock and scientific compatibility, can improve the utilization rate of trace element.Yeast metabolism product and organic trace element play and act synergistically, and promote the efficiency utilization of trace element.The feed good palatability that biological feedstuff composition provided by the invention obtains, absorptivity are high, without potential heavy metal risk, safety and environmental protection, the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark can be significantly improved, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.
Organic trace element refers to the compound that micro-inorganic salts and organic matter and catabolite thereof are formed.In the present invention, organic trace element comprises cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium and nicotinate chromium.
Cupric glycinate is that the copper of 1 mole is combined with the glycine of 1-2 mole with glycine and copper sulphate for Material synthesis, and form cupric glycinate, glycine and copper optimum condition are part mol ratio 2:1, and chelation percent is more than 90%.Cupric glycinate is absorbed by amino acid pinocytosis formula, alleviates competition antagonism when absorbing between trace element, not only greatly improves the absorption rate of copper ion, also improve the absorption of other trace element.Cupric glycinate good palatability, stimulate little to alimentary canal, stable chemical nature, biologically active is high, and additive capacity is little, is conducive to environmental protection.Compared with the organic copper of other form, cupric glycinate is easy to detect, and cost performance is the highest.
Ferrous fumarate is primarily of fumaric acid and ferrous sulfate preparation, and ferrous fumarate has the growth of promotion pig, immunity moderation function, effectively prevention anaemia and improves the nutrition physiology effects such as colour of skin hair condition.The ferrous fumarate of pharmaceutical grade is the one for the treatment of anaemia medicine.Compared with inorganic iron, there is good palatability, stable chemical nature, the feature that biologically active is high.Compared with the Organic Iron of other form, not containing inorganic sulfur acid ion, ferrous iron effective content, up to 31%, has high cost performance.Ferrous fumarate has national standard, and detection method is simple.
Zinc lactate up to 21.5%, is widely used in food industry containing zinc.In recent years, as new feed additive progressively large-area applications in feed industry.Have safety, efficiently advantage compared with inorganic zinc, good palatability, has no stimulation to alimentary canal; Double nutrition effect, can provide the lactate required for animal body, can provide zinc again.Zinc lactate not only has the function similar with amino-acid zinc and feature, and Zn content is higher, and production cost is lower, not sulphate-containing ion.Feed addictive zinc lactate has national standard, and detection method is simple.The factors such as complex art, economy, ecology and environmental protection, zinc lactate is current one of optimal organic zinc source on the market.
Manganese methionine is primary raw material by methionine and inorganic manganese salt, obtained by complex reaction.The Major Nutrient physiological action of manganese is as the enzyme activation factor or part in carbohydrate, lipid, protein and cholesterol metabolic.In addition, manganese maintains the requisite material of brain eubolism function.Manganese methionine is for body provides methionine while providing manganese source, and methionine, as swine rations second or the 3rd limiting amino acid, has important biochemical functions.
Yeast selenium provides trace elements of selenium, and its most important nutrition physiology effect participates in glutathione peroxidase composition, and have stronger reduction to hydrogen in body or lipoperoxide, Cell protection membrane structure is complete and function is normal.Inorganic selenium main source sodium selenite, toxicity is large, mixes uneven, easily cause animal poisoning in feed.Yeast selenium is originated as a kind of Organic Selenium of native form, safe and reliable, easily absorbs.Compared with the Organic Selenium of other form, the selenium in yeast selenium exists with the form of selenomethionine, with selenium in animal body utilize form consistent, bioavilability is high, and yeast selenium be easy to detect, add cost low.
Nicotinate chromium provides trace element chromium, and chromium is glucose tolerance factor, has the biologically active of similar insulin, plays an important role to adjustment carbohydrate, fat and protein metabolism; Contribute to animal body intracellular metabolite, opposing stress affect simultaneously.In the chemical constitution of nicotinate chromium and body, the activity form glucose tolerance factor of chromium is the most close.Great many of experiments and application practice show, nicotinate chromium effect is better than or is equal to the Organic Chromium of other form, and the bioavailability that the chromium that nicotinate chromium is originated than any other has had more, mouse is to the absorption of chromium in nicotinate chromium and retain apparently higher than chromium picolinate.Meanwhile, the nicotinate chromium price of same amount is only 1/3 of chromium picolinate, 1/4 of yeast chromium, and cost performance is very outstanding, and is easy to test in laboratory.
Yeast culture is theoretical according to microbial metabolism and applying biological fermentation engineering, the Tiny ecosystem goods formed after the degree of depth is fermented on specific culture medium by saccharomycete under the production technology environment meticulously arranged.After producing by fermentation, the end product that yeast culture is formed is a mixture containing a small amount of yeast cells, variation culture medium and extracellular metabolic product.Yeast metabolism product is mainly containing little peptide, nucleotides, organic acid, oligosaccharides, amino acid, nucleotides, ester class, alcohols, enzyme, vitamin etc.Research confirms, it is high that yeast metabolism product has biologically active, is regulating animal intestinal function, is promoting the digestibility and utilization of trace element and ensure to have significant effect in animal health.Meanwhile, the steady quality of yeast metabolism product, standard is perfect.
In embodiments more provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 8:25:30:8:0.1:0.065:60.
In other embodiments provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 11:32.5:34:9.5:0.11:0.07:70.
In other embodiments provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 15:42.5:42.5:12:0.145:0.095:80.
In embodiments more provided by the invention, in the preparation method of yeast metabolism product, the fineness that yeast culture is pulverized is less than 10 μm, obtains Ultramicro-powder after pulverizing.
In embodiments more provided by the invention, in L/kg, obtain extract and centrifugal between concentration step after ratio between the volume of concentrate that obtains and the quality of yeast culture be 5:1.
In embodiments more provided by the invention, in the preparation method of yeast metabolism product, centrifugal rotating speed is 10000 revs/min.
In embodiments more provided by the invention, purifying is specially: with ethanol elution, collects ethanol eluate.
In embodiments more provided by the invention, in the preparation method of yeast metabolism product, wash-out pillar used is large pore resin absorption column.
Present invention also offers the application of this biological feedstuff composition in preparation store pig compound premix or store pig special feed; This biological feedstuff composition includes organic microelement and yeast metabolism product; Organic trace element comprises cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium and nicotinate chromium; The preparation method of yeast metabolism product is: getting yeast culture and pulverize, take water as solvent extraction, obtains extract; Extract, through concentrated, centrifugal, collects supernatant; Supernatant is purified, concentrated, dry, to obtain final product; Organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is (7.5 ~ 15): (20 ~ 45): (27.5 ~ 42.5): (7.5 ~ 12.5): (0.1 ~ 0.15): (0.05 ~ 0.1): (60 ~ 80); In embodiments more provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 8:25:30:8:0.1:0.065:60; In other embodiments provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 11:32.5:34:9.5:0.11:0.07:70; In other embodiments provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 15:42.5:42.5:12:0.145:0.095:80; In embodiments more provided by the invention, in the preparation method of yeast metabolism product, the fineness that yeast culture is pulverized is less than 10 μm, obtains Ultramicro-powder after pulverizing; In embodiments more provided by the invention, in L/kg, obtain extract and centrifugal between concentration step after ratio between the volume of concentrate that obtains and the quality of yeast culture be 5:1; In embodiments more provided by the invention, in the preparation method of yeast metabolism product, centrifugal rotating speed is 10000 revs/min; In embodiments more provided by the invention, purifying is specially: with ethanol elution, collects ethanol eluate; In embodiments more provided by the invention, in the preparation method of yeast metabolism product, wash-out pillar used is large pore resin absorption column.
Present invention also offers a kind of store pig compound premix, comprise carrier, antioxidant and biological feedstuff composition; This biological feedstuff composition includes organic microelement and yeast metabolism product; Organic trace element comprises cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium and nicotinate chromium; The preparation method of yeast metabolism product is: getting yeast culture and pulverize, take water as solvent extraction, obtains extract; Extract, through concentrated, centrifugal, collects supernatant; Supernatant is purified, concentrated, dry, to obtain final product; Organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is (7.5 ~ 15): (20 ~ 45): (27.5 ~ 42.5): (7.5 ~ 12.5): (0.1 ~ 0.15): (0.05 ~ 0.1): (60 ~ 80); In embodiments more provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 8:25:30:8:0.1:0.065:60; In other embodiments provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 11:32.5:34:9.5:0.11:0.07:70; In other embodiments provided by the invention, organic trace element is in trace element, and the mass ratio of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium, nicotinate chromium and yeast metabolism product is 15:42.5:42.5:12:0.145:0.095:80; In embodiments more provided by the invention, in the preparation method of yeast metabolism product, the fineness that yeast culture is pulverized is less than 10 μm, obtains Ultramicro-powder after pulverizing; In embodiments more provided by the invention, in L/kg, obtain extract and centrifugal between concentration step after ratio between the volume of concentrate that obtains and the quality of yeast culture be 5:1; In embodiments more provided by the invention, in the preparation method of yeast metabolism product, centrifugal rotating speed is 10000 revs/min; In embodiments more provided by the invention, purifying is specially: with ethanol elution, collects ethanol eluate; In embodiments more provided by the invention, in the preparation method of yeast metabolism product, wash-out pillar used is large pore resin absorption column.
As preferably, the mass percentage that biological feedstuff composition accounts for store pig compound premix is 39% ~ 66%.
Preferably, biological feedstuff composition accounts for the mass percentage of store pig compound premix is 43% ~ 63%.
In order to protect the organic trace element in store pig compound premix and yeast metabolism product not oxidized, must antioxidant be added.As preferably, the mass percentage that antioxidant accounts for store pig compound premix is 0.03% ~ 0.06%, and surplus is carrier.
Preferably, the mass percentage that antioxidant accounts for store pig compound premix is 0.045% ~ 0.06%, and surplus is carrier.
In embodiments more provided by the invention, antioxidant is a kind of in ethoxyquinoline or dibutyl hydroxy toluene or both mixtures.
Carrier is that one can carry trace active composition, improves its dispersiveness, and has good chemical stability and the raised material of adsorptivity.After trace active composition loaded body carries, the some physical characteristics of itself change or no longer show, and the physical property of gained mixture (as mobility, granularity etc.) depends on substantially or show as the characteristic of carrier,: 1. carrier is originally as nonactive material have good adsorption capacity to carried micro constitutent and do not damage its activity the requirement of carrier characteristics; 2. the primary raw material of raising in powder is coordinated to have good mixed characteristic to full price; 3. chemical stability is good, does not have pharmacologically active; 4. cheap.Conventional carrier has two classes, i.e. organic carrier and inorganic carrier.Inorganic carrier is then calcium carbonate, calcium phosphate, silicate, silica, salt, potter's clay, talcum, vermiculite, zeolite powder, sepiolite powder etc., and this kind of carrier is used for the making of microelement pre-mix material.In embodiments more provided by the invention, carrier is a kind of of stone flour, bentonite or zeolite powder or both above mixtures.
Present invention also offers a kind of store pig special feed, comprise basal diet and store pig compound premix provided by the invention; This store pig compound premix comprises carrier, antioxidant and biological feedstuff composition; As preferably, the mass percentage that biological feedstuff composition accounts for store pig compound premix is 39% ~ 66%; Preferably, biological feedstuff composition accounts for the mass percentage of store pig compound premix is 43% ~ 63%; As preferably, the mass percentage that antioxidant accounts for store pig compound premix is 0.03% ~ 0.06%, and surplus is carrier; Preferably, the mass percentage that antioxidant accounts for store pig compound premix is 0.045% ~ 0.06%, and surplus is carrier; In embodiments more provided by the invention, antioxidant is a kind of in ethoxyquinoline or dibutyl hydroxy toluene or both mixtures; In embodiments more provided by the invention, carrier is a kind of of stone flour, bentonite or zeolite powder or both above mixtures.
As preferably, the mass percentage that store pig compound premix accounts for store pig special feed is 0.2% ~ 0.3%.
In embodiments more provided by the invention, daily ration based on corn-soybean meal diet.Corn-soybean meal diet comprises corn, dregs of beans, wheat bran, imported fish meal, calcium monohydrogen phosphate, stone flour, amino acid and vitamin premix.
The invention provides containing the biological feedstuff composition of organic trace element and application thereof, store pig compound premix, store pig special feed.This biological feedstuff composition includes organic microelement and yeast metabolism product; Organic trace element comprises cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium and nicotinate chromium.Tested by feeding effect, compare with inorganic microelement feed (the second control group) with the feed (the first control group) not adding yeast metabolism product, the lean meat percentage of store pig special feed provided by the invention improves 4.90% ~ 6.50% respectively, 5.60% ~ 7.80%, eye muscle area improves 6.10% ~ 6.80% respectively, 7.90% ~ 8.90%, Color Score improves 6.70% ~ 16.60% respectively, 7.70% ~ 19.40%, the scoring of muscle marble grain improves 10.00% ~ 15.60% respectively, 14.60% ~ 16.70%, intramuscular fat content improves 11.80% ~ 18.90% respectively, 13.40% ~ 21.00%, flavour mark improves 15.40% ~ 17.50% respectively, 18.40% ~ 19.90%, be significantly higher than the first control group and the second control group (p<0.05), the thickness of backfat of test group reduces 10.40% ~ 12.10%, 13.60% ~ 14.60% respectively, percentage of water loss reduces 17.70% ~ 20.90%, 19.50% ~ 22.50% respectively, drip loss reduces 8.50% ~ 13.00%, 9.70% ~ 14.70% respectively, the shearing force relevant to Meat Tenderness reduces 18.30% ~ 18.90%, 19.30% ~ 21.10% respectively, significantly lower than the first control group and the second control group (p<0.05).As can be seen here, the obtained feed (store pig special feed) of biological feedstuff composition provided by the invention can significantly improve the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.Result shows that yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element.
Detailed description of the invention
The invention discloses containing the biological feedstuff composition of organic trace element and application thereof, store pig compound premix, store pig special feed, those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope methods and applications as herein described are changed or suitably change with combination, realize and apply the technology of the present invention.
In biological feedstuff composition containing organic trace element provided by the invention and application thereof, store pig compound premix, store pig special feed, raw materials used or auxiliary material all can be buied by market.Wherein, cupric glycinate, ferrous fumarate, zinc lactate, nicotinate chromium, the special amino acid of store pig and vitamin premix and inorganic microelement premix adopt Sichuan Animtech Feed Co., Ltd.'s product; Yeast selenium and yeast culture purchased from American Da Nongwei feed companies product; Ethoxyquinoline adopts Yixing Tainshi Feed Co., Ltd product; Dibutyl hydroxy toluene adopts Bayer A.G's product.
Below in conjunction with embodiment, set forth the present invention further:
The preparation of embodiment 1 biological feedstuff composition
The preparation method of yeast metabolism product is: getting yeast culture and pulverize, take water as solvent extraction, obtains extract; Extract, through concentrated, centrifugal, collects supernatant; Supernatant is purified, concentrated, dry, to obtain final product.
Organic trace element is in trace element, get cupric glycinate (in copper 8kg), ferrous fumarate (in iron 25kg), zinc lactate (in zinc 30kg), manganese methionine (in manganese 8kg), yeast selenium (in selenium 100g) and nicotinate chromium (in chromium 65g), yeast metabolism product 60kg, mix, to obtain final product.
The preparation of embodiment 2 biological feedstuff composition
By yeast culture ultramicro grinding (diameter is less than 10 μm), obtaining the Ultramicro-powder of yeast culture, is that solvent extracts with water, obtains extract; Extract is concentrated, in L/kg, ratio between the volume of the concentrate obtained after concentrated and the quality of yeast culture is that 5:1(is equivalent to 1kg yeast culture and obtains 5L concentrate), 10000 revs/min of high speed centrifugations, supernatant after centrifugal is adsorbed with large pore resin absorption column, collects ethanol elution part, obtain ethanol eluate, through concentrated and spraying dry, obtain yeast metabolism product.
Organic trace element is in trace element, get cupric glycinate (in copper 11kg), ferrous fumarate (in iron 32.5kg), zinc lactate (in zinc 34kg), manganese methionine (in manganese 9.5kg), yeast selenium (in selenium 110g) and nicotinate chromium (in chromium 70g), yeast metabolism product 70kg, mix, to obtain final product.
The preparation of embodiment 3 biological feedstuff composition
By yeast culture ultramicro grinding (diameter is less than 10 μm), obtaining the Ultramicro-powder of yeast culture, is that solvent extracts with water, obtains extract; Extract is concentrated, in L/kg, ratio between the volume of the concentrate obtained after concentrated and the quality of yeast culture is that 5:1(is equivalent to 1kg yeast culture and obtains 5L concentrate), 10000 revs/min of high speed centrifugations, supernatant after centrifugal is adsorbed with large pore resin absorption column, collects ethanol elution part, obtain ethanol eluate, through concentrated and spraying dry, obtain yeast metabolism product.
Organic trace element is in trace element, get cupric glycinate (in copper 15kg), ferrous fumarate (in iron 42.5kg), zinc lactate (in zinc 42.5kg), manganese methionine (in manganese 12kg), yeast selenium (in selenium 145g) and nicotinate chromium (in chromium 95g), yeast metabolism product 80kg, mix, to obtain final product.
The preparation of embodiment 4 biological feedstuff composition
By yeast culture ultramicro grinding (diameter is less than 10 μm), obtaining the Ultramicro-powder of yeast culture, is that solvent extracts with water, obtains extract; Extract is concentrated, in L/kg, ratio between the volume of the concentrate obtained after concentrated and the quality of yeast culture is that 5:1(is equivalent to 1kg yeast culture and obtains 5L concentrate), 10000 revs/min of high speed centrifugations, supernatant after centrifugal is adsorbed with large pore resin absorption column, collects ethanol elution part, obtain ethanol eluate, through concentrated and spraying dry, obtain yeast metabolism product.
Organic trace element is in trace element, get cupric glycinate (in copper 7.5kg), ferrous fumarate (in iron 45kg), zinc lactate (in zinc 27.5kg), manganese methionine (in manganese 12.5kg), yeast selenium (in selenium 150g) and nicotinate chromium (in chromium 50g), yeast metabolism product 65kg, mix, to obtain final product.
The preparation of embodiment 5 biological feedstuff composition
By yeast culture ultramicro grinding (diameter is less than 10 μm), obtaining the Ultramicro-powder of yeast culture, is that solvent extracts with water, obtains extract; Extract is concentrated, in L/kg, ratio between the volume of the concentrate obtained after concentrated and the quality of yeast culture is that 5:1(is equivalent to 1kg yeast culture and obtains 5L concentrate), 10000 revs/min of high speed centrifugations, supernatant after centrifugal is adsorbed with large pore resin absorption column, collects ethanol elution part, obtain ethanol eluate, through concentrated and spraying dry, obtain yeast metabolism product.
Organic trace element is in trace element, get cupric glycinate (in copper 10kg), ferrous fumarate (in iron 20kg), zinc lactate (in zinc 40kg), manganese methionine (in manganese 7.5kg), yeast selenium (in selenium 120g) and nicotinate chromium (in chromium 100g), yeast metabolism product 75kg, mix, to obtain final product.
The preparation of embodiment 6 store pig compound premix
The biological feedstuff composition 430kg that Example 1 is obtained, antioxidant ethoxyquinoline 450g, supplies 1000kg with zeolite powder, mixes, to obtain final product.
The preparation of embodiment 7 store pig compound premix
The biological feedstuff composition 530kg that Example 2 is obtained, antioxidant ethoxyquinoline 450g, supplies 1000kg with stone flour, mixes, to obtain final product.
The preparation of embodiment 8 store pig compound premix
The biological feedstuff composition 630kg that Example 3 is obtained, ethoxyquinoline 600g, supplies 1000kg with zeolite powder, mixes, and to obtain final product.
The preparation of embodiment 9 store pig compound premix
The biological feedstuff composition 390kg that Example 4 is obtained, antioxidant ethoxyquinoline 600g, supplies 1000kg with stone flour, mixes, to obtain final product.
The preparation of embodiment 10 store pig compound premix
The biological feedstuff composition 660kg that Example 5 is obtained, antioxidant dibutyl hydroxy toluene 300g, supplies 1000kg with bentonite, mixes, to obtain final product.
The preparation of embodiment 11 store pig special feed
The formula of store pig special feed is as shown in table 1.
The formula of table 1 store pig special feed
The store pig compound premix 3kg that Example 6 obtains mixes with basal diet 997kg, to obtain final product.
The preparation of embodiment 12 store pig special feed
The formula of store pig special feed is as shown in table 2.
The formula of table 2 store pig special feed
The store pig compound premix 3kg that Example 7 obtains mixes with basal diet 997kg, to obtain final product.
The preparation of embodiment 13 store pig special feed
The formula of store pig special feed is as shown in table 3.
The formula of table 3 store pig special feed
The store pig compound premix 2kg that Example 8 obtains mixes with basal diet 998kg, to obtain final product.
The preparation of embodiment 14 store pig special feed
The store pig compound premix 2.5kg that Example 9 obtains mixes with the basal diet 997.5kg that embodiment 11 provides, and to obtain final product.
The preparation of embodiment 15 store pig special feed
The store pig compound premix 2.8kg that Example 10 obtains mixes with the basal diet 997.2kg that embodiment 12 provides, and to obtain final product.
Embodiment 16 feeding effect is tested
Test is divided into test group and control group, and control group comprises the first control group and the second control group.The store pig special feed that test group adopts embodiment 11 to provide, the first control group adopts the first control feed to feed, and the second control group adopts the second control feed to feed.
The preparation method of the first control feed is: organic trace element is in trace element, get cupric glycinate (in copper 8kg), ferrous fumarate (in iron 25kg), zinc lactate (in zinc 30kg), manganese methionine (in manganese 8kg), yeast selenium (in selenium 100g) and nicotinate chromium (in chromium 65g), mix, obtain premix semi-finished product.Get obtained premix semi-finished product 430kg, antioxidant ethoxyquinoline 450g, supplies 1000kg with zeolite powder, mixes, and obtains premix.The basal diet 997kg that getting this premix 3kg and embodiment 11 provides mixes, and to obtain final product.Compared with the store pig special feed provided with embodiment 11, in the first control feed, do not add yeast metabolism product.
Second control feed is that inorganic microelement premix and basal diet mix, the component that its trace element, antioxidant, carrier, basal diet and content are corresponding to the store pig special feed that embodiment 11 provides and content consistent, difference is that the trace element that the second control feed adopts is inorganic microelement, and does not add yeast metabolism product.
The three way cross store pig 360 (male and female half and half) choosing average weight 35kg carries out, and according to body weight, principle that sex is consistent, is divided into 3 groups at random, often organizes 6 and repeats, each repetition 20 pigs.Experimental group and control group are with NRC(2012) pig nutritional requirements is standard, daily ration based on corn-soybean meal diet.Test pig body weight reaches 100kg and terminates to use.Thoroughly clean column home before test, rinse colony house with 2%NaOH solution, formalin then and potassium permanganate fumigate a few hours by 2:1, and ventilation cleaning, after one week, starts test.Before formal test starts, carry out the prerun of 7 days, between preliminary trial period, expelling parasite, epidemic prevention are carried out to test pig.Just trying 8:00 and 17:00 timing every day phase to throw to powder-material, free choice feeding and drinking-water, observe, record pig health status, record full phase feed intake.
After off-test, each repetition selects 10 pigs to butcher at random, and employing routine butchers technology, takes out internal organ, divides half from center line trunk, chooses respective sample after slaughter respectively on request and carry out carcass characteristic and Meat Quality mensuration after 45min and refrigeration 24h.Carcass quality and Meat Quality measure by " lean meat species boar performance measurement technical regulation ".
Testing index comprises: dressing percentage, lean meat percentage, average backfat thickness (mean value of the 1st rib place, 6th ~ 7 rib places and the last lumbar vertebrae place thickness of backfat), eye muscle area (the 10th rib place region area), muscle pH, (pale band is gloomy is 1 point to Color Score (the 10th rib place); Gloomy is 2 points; Pale red is 3 points; Scarlet is 4 points; Dark violet red be 5 points), marble grain scoring (last rib place) (is 1 point without texture; Micro-line is 2 points; Texture is 3 points in a small amount; Appropriate texture is 4 points; A large amount of roomy texture is 5 points), percentage of water loss, drip loss, cold cuts rate, Meat Tenderness, intramuscular fat content and flavour mark.Wherein, the mensuration of muscle pH value measures in butchering the portable pH meter of rear 45min and 24h; The mensuration of cold cuts rate adopts cooking process: take whole greater psoas muscle, weigh, put into porcelain or enamelled vessel, be placed in aluminium pan, 45 minutes are steamed with 2000W electric furnace in boiling water, be hung on indoor calm cool place place behind the place of getting, weigh again after 30 minutes, meat sample weight × 100% before the weight/boiling of meat sample after cold cuts rate (%)=boiling; Meat Tenderness, represents with shearing force (kg).Be that 1.12 ~ 1.27cm rounded sample device cuts meat sample to semitendinosus stage casing after slaking with diameter, be placed on tenderometer and shear, the data obtained is shearing force; The mouthfeel taste evaluation group that flavour mark is made up of 10 professional and technical personnel marks by local flavor and palatability, with 5 points system scoring, 5 be divided into best.
Wherein, lean meat percentage, eye muscle area, the thickness of backfat characterize the index of pork carcass quality, lean meat percentage and eye muscle area higher, carcass quality is better; The thickness of backfat is lower, and carcass quality is higher.Color Score, the scoring of muscle marble grain, intramuscular fat content, flavour mark, percentage of water loss, drip loss and Meat Tenderness are the indexs characterizing pork quality.The scoring of Color Score, muscle marble grain, intramuscular fat content and flavour mark are higher, and meat quality is better; Percentage of water loss, drip loss are lower, and illustrate that pork keeps the ability of moisture stronger, meat is succulence more, and meat quality is better.Meat Tenderness measures by shearing force, and its value is lower, and represent that pork is tenderer, mouthfeel is better.
Result is as shown in table 4.
Table 4 three way cross store pig (body weight 35-100kg) carcass quality and pork quality traits compare
Note: the different letter representation significant difference (P<0.05) of same column shoulder note, the alphabetical identical expression there was no significant difference (P>0.05) of shoulder note.
Can see from table 4, in test group, all indexs of hog on hook and meat are all better than the first control group and the second control group.Wherein, the lean meat percentage of test group, eye muscle area, Color Score, muscle marble, intramuscular fat content and flavour mark are significantly higher than the first control group and the second control group (P<0.05); The thickness of backfat of test group, percentage of water loss, drip loss, the shearing force relevant to Meat Tenderness are significantly lower than the first control group and the second control group (P<0.05).Indices there are no significant difference (P > 0.05) between the first control group and the second control group.
Result shows the obtained feed (the store pig special feed that embodiment 11 provides) of the biological feedstuff composition that provided by the embodiment of the present invention 1 can significantly improve the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.Result shows that yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element.
Embodiment 17 feeding effect is tested
Test is divided into test group and control group, and control group comprises the first control group and the second control group.The store pig special feed that test group adopts embodiment 12 to provide, the first control group adopts the first control feed to feed, and the second control group adopts the second control feed to feed.
The preparation method of the first control feed is: organic trace element is in trace element, get cupric glycinate (in copper 11kg), ferrous fumarate (in iron 32.5kg), zinc lactate (in zinc 34kg), manganese methionine (in manganese 9.5kg), yeast selenium (in selenium 110g) and nicotinate chromium (in chromium 70g), mix, obtain premix semi-finished product.Get obtained premix semi-finished product 530kg, antioxidant ethoxyquinoline 450g, supplies 1000kg with stone flour, mixes, and obtains premix.The basal diet 997kg that getting this premix 3kg and embodiment 12 provides mixes, and to obtain final product.Compared with the store pig special feed provided with embodiment 12, in the first control feed, do not add yeast metabolism product.
Second control feed is that inorganic microelement premix and basal diet mix, the component that its trace element, antioxidant, carrier, basal diet and content are corresponding to the store pig special feed that embodiment 12 provides and content consistent, difference is that the trace element that the second control feed adopts is inorganic microelement, and does not add yeast metabolism product.
The three way cross store pig 540 (male and female half and half) choosing average weight 50kg carries out, and according to body weight, principle that sex is consistent, is divided into 3 groups at random, often organizes 6 and repeats, each repetition 30 pigs.Experimental group and control group are with NRC(2012) pig nutritional requirements is standard, daily ration based on corn-soybean meal diet.Test pig body weight reaches 110kg and terminates to use.Thoroughly clean column home before test, rinse colony house with 2%NaOH solution, formalin then and potassium permanganate fumigate a few hours by 2:1, and ventilation cleaning, after one week, starts test.Before formal test starts, carry out the prerun of 7 days, between preliminary trial period, expelling parasite, epidemic prevention are carried out to test pig.Just trying 8:00 and 17:00 timing every day phase to throw to powder-material, free choice feeding and drinking-water, observe, record pig health status, record full phase feed intake.
After off-test, each repetition selects 10 pigs to butcher at random, and employing routine butchers technology, takes out internal organ, divides half from center line trunk, chooses respective sample after slaughter respectively on request and carry out carcass characteristic and Meat Quality mensuration after 45min and refrigeration 24h.Carcass quality and Meat Quality measure by " lean meat species boar performance measurement technical regulation ".
Testing index comprises: dressing percentage, lean meat percentage, average backfat thickness (mean value of the 1st rib place, 6th ~ 7 rib places and the last lumbar vertebrae place thickness of backfat), eye muscle area (the 10th rib place region area), muscle pH, (pale band is gloomy is 1 point to Color Score (the 10th rib place); Gloomy is 2 points; Pale red is 3 points; Scarlet is 4 points; Dark violet red be 5 points), marble grain scoring (last rib place) (is 1 point without texture; Micro-line is 2 points; Texture is 3 points in a small amount; Appropriate texture is 4 points; A large amount of roomy texture is 5 points), percentage of water loss, drip loss, cold cuts rate, Meat Tenderness, intramuscular fat content and flavour mark.Wherein, the mensuration of muscle pH value measures in butchering the portable pH meter of rear 45min and 24h; The mensuration of cold cuts rate adopts cooking process: take whole greater psoas muscle, weigh, put into porcelain or enamelled vessel, be placed in aluminium pan, 45 minutes are steamed with 2000W electric furnace in boiling water, be hung on indoor calm cool place place behind the place of getting, weigh again after 30 minutes, meat sample weight × 100% before the weight/boiling of meat sample after cold cuts rate (%)=boiling; Meat Tenderness, represents with shearing force (kg).Be that 1.12 ~ 1.27cm rounded sample device cuts meat sample to semitendinosus stage casing after slaking with diameter, be placed on tenderometer and shear, the data obtained is shearing force; The mouthfeel taste evaluation group that flavour mark is made up of 10 professional and technical personnel marks by local flavor and palatability, with 5 points system scoring, 5 be divided into best.
Wherein, lean meat percentage, eye muscle area, the thickness of backfat characterize the index of pork carcass quality, lean meat percentage and eye muscle area higher, carcass quality is better; The thickness of backfat is lower, and carcass quality is higher.Color Score, the scoring of muscle marble grain, intramuscular fat content, flavour mark, percentage of water loss, drip loss and Meat Tenderness are the indexs characterizing pork quality.The scoring of Color Score, muscle marble grain, intramuscular fat content and flavour mark are higher, and meat quality is better; Percentage of water loss, drip loss are lower, and illustrate that pork keeps the ability of moisture stronger, meat is succulence more, and meat quality is better.Meat Tenderness measures by shearing force, and its value is lower, and represent that pork is tenderer, mouthfeel is better.
Result is as shown in table 5.
Table 5 three way cross store pig (body weight 50-110kg) carcass quality and pork quality traits compare
Note: the different letter representation significant difference (P<0.05) of same column shoulder note, the alphabetical identical expression there was no significant difference (P>0.05) of shoulder note.
Can see from table 5, in test group, all indexs of hog on hook and meat are all better than the first control group and the second control group.Wherein, the lean meat percentage of test group, eye muscle area, Color Score, muscle marble, intramuscular fat content and flavour mark are significantly higher than the first control group and the second control group (P<0.05); The thickness of backfat of test group, percentage of water loss, drip loss, the shearing force relevant to Meat Tenderness are significantly lower than the first control group and the second control group (P<0.05).Indices there are no significant difference (P > 0.05) between the first control group and the second control group.
Result shows the obtained feed (the store pig special feed that embodiment 12 provides) of the biological feedstuff composition that provided by the embodiment of the present invention 2 can significantly improve the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.Result shows that yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element.
Embodiment 18 feeding effect is tested
Test is divided into test group and control group, and control group comprises the first control group and the second control group.The store pig special feed that test group adopts embodiment 13 to provide, the first control group adopts the first control feed to feed, and the second control group adopts the second control feed to feed.
The preparation method of the first control feed is: organic trace element is in trace element, get cupric glycinate (in copper 15kg), ferrous fumarate (in iron 42.5kg), zinc lactate (in zinc 42.5kg), manganese methionine (in manganese 12kg), yeast selenium (in selenium 145g) and nicotinate chromium (in chromium 95g), mix, obtain premix semi-finished product.Get obtained premix semi-finished product 630kg, antioxidant ethoxyquinoline 600g, supplies 1000kg with zeolite powder, mixes, and obtains premix.The basal diet 998kg that getting this premix 2kg and embodiment 13 provides mixes, and to obtain final product.Compared with the store pig special feed provided with embodiment 13, in the first control feed, do not add yeast metabolism product.
Second control feed is that inorganic microelement premix and basal diet mix, the component that its trace element, antioxidant, carrier, basal diet and content are corresponding to the store pig special feed that embodiment 13 provides and content consistent, difference is that the trace element that the second control feed adopts is inorganic microelement, and does not add yeast metabolism product.
Rongchang County store pig 540 (male and female half and half) choosing average weight 35kg carries out, and according to body weight, principle that sex is consistent, is divided into 3 groups at random, often organizes 6 and repeats, each repetition 30 pigs.Experimental group and control group are with NRC(2012) pig nutritional requirements is standard, daily ration based on corn-soybean meal diet.Test pig body weight reaches 95kg and terminates to use.Thoroughly clean column home before test, rinse colony house with 2%NaOH solution, formalin then and potassium permanganate fumigate a few hours by 2:1, and ventilation cleaning, after one week, starts test.Before formal test starts, carry out the prerun of 7 days, between preliminary trial period, expelling parasite, epidemic prevention are carried out to test pig.Just trying 8:00 and 17:00 timing every day phase to throw to powder-material, free choice feeding and drinking-water, observe, record pig health status, record full phase feed intake.
After off-test, each repetition selects 10 pigs to butcher at random, and employing routine butchers technology, takes out internal organ, divides half from center line trunk, chooses respective sample after slaughter respectively on request and carry out carcass characteristic and Meat Quality mensuration after 45min and refrigeration 24h.Carcass quality and Meat Quality measure by " lean meat species boar performance measurement technical regulation ".
Testing index comprises: dressing percentage, lean meat percentage, average backfat thickness (mean value of the 1st rib place, 6th ~ 7 rib places and the last lumbar vertebrae place thickness of backfat), eye muscle area (the 10th rib place region area), muscle pH, (pale band is gloomy is 1 point to Color Score (the 10th rib place); Gloomy is 2 points; Pale red is 3 points; Scarlet is 4 points; Dark violet red be 5 points), marble grain scoring (last rib place) (is 1 point without texture; Micro-line is 2 points; Texture is 3 points in a small amount; Appropriate texture is 4 points; A large amount of roomy texture is 5 points), percentage of water loss, drip loss, cold cuts rate, Meat Tenderness, intramuscular fat content and flavour mark.Wherein, the mensuration of muscle pH value measures in butchering the portable pH meter of rear 45min and 24h; The mensuration of cold cuts rate adopts cooking process: take whole greater psoas muscle, weigh, put into porcelain or enamelled vessel, be placed in aluminium pan, 45 minutes are steamed with 2000W electric furnace in boiling water, be hung on indoor calm cool place place behind the place of getting, weigh again after 30 minutes, meat sample weight × 100% before the weight/boiling of meat sample after cold cuts rate (%)=boiling; Meat Tenderness, represents with shearing force (kg).Be that 1.12 ~ 1.27cm rounded sample device cuts meat sample to semitendinosus stage casing after slaking with diameter, be placed on tenderometer and shear, the data obtained is shearing force; The mouthfeel taste evaluation group that flavour mark is made up of 10 professional and technical personnel marks by local flavor and palatability, with 5 points system scoring, 5 be divided into best.
Wherein, lean meat percentage, eye muscle area, the thickness of backfat characterize the index of pork carcass quality, lean meat percentage and eye muscle area higher, carcass quality is better; The thickness of backfat is lower, and carcass quality is higher.Color Score, the scoring of muscle marble grain, intramuscular fat content, flavour mark, percentage of water loss, drip loss and Meat Tenderness are the indexs characterizing pork quality.The scoring of Color Score, muscle marble grain, intramuscular fat content and flavour mark are higher, and meat quality is better; Percentage of water loss, drip loss are lower, and illustrate that pork keeps the ability of moisture stronger, meat is succulence more, and meat quality is better.Meat Tenderness measures by shearing force, and its value is lower, and represent that pork is tenderer, mouthfeel is better.
Result is as shown in table 6.
Table 6 three way cross store pig (body weight 35-95kg) carcass quality and pork quality traits compare
Note: the different letter representation significant difference (P<0.05) of same column shoulder note, the alphabetical identical expression there was no significant difference (P>0.05) of shoulder note.
Can see from table 6, in test group, all indexs of hog on hook and meat are all better than the first control group and the second control group.Wherein, the lean meat percentage of test group, eye muscle area, Color Score, muscle marble, intramuscular fat content and flavour mark are significantly higher than the first control group and the second control group (P<0.05); The thickness of backfat of test group, percentage of water loss, drip loss, the shearing force relevant to Meat Tenderness are significantly lower than the first control group and the second control group (P<0.05).Indices there are no significant difference (P > 0.05) between the first control group and the second control group.
Result shows the obtained feed (the store pig special feed that embodiment 13 provides) of the biological feedstuff composition that provided by the embodiment of the present invention 3 can significantly improve the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.Result shows that yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element.
The store pig special feed that Example 14,15 obtains carries out feeding effect test, and the result of test effect and embodiment 11,12 or 13 is close.Result shows the obtained feed (the store pig special feed that embodiment 14,15 provides) of the biological feedstuff composition that provided by the embodiment of the present invention 4,5 can significantly improve the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.Result shows that yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element.
As can be seen here, the obtained feed (store pig special feed) of biological feedstuff composition provided by the invention can significantly improve the lean meat percentage of pork, eye muscle area, Color Score, the scoring of muscle marble grain, Meat Tenderness, intramuscular fat content and flavour mark, the thickness of backfat, percentage of water loss, drip loss be can significantly reduce, thus trunk and the meat of pork obviously can be improved.Result shows that yeast metabolism product can promote the synergistic performance of each trace element, improves the utilization rate of trace element.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a biological feedstuff composition, is characterized in that, described biological feedstuff composition is made up of organic trace element and yeast metabolism product;
Described organic trace element is made up of cupric glycinate, ferrous fumarate, zinc lactate, manganese methionine, yeast selenium and nicotinate chromium;
The preparation method of described yeast metabolism product is: getting yeast culture and pulverize, take water as solvent extraction, obtains extract; Described extract, through concentrated, centrifugal, collects supernatant; Described supernatant is purified, concentrated, dry, to obtain final product;
Described organic trace element is in trace element, and the mass ratio of described cupric glycinate, described ferrous fumarate, described zinc lactate, described manganese methionine, described yeast selenium, described nicotinate chromium and described yeast metabolism product is (7.5 ~ 15): (20 ~ 45): (27.5 ~ 42.5): (7.5 ~ 12.5): (0.1 ~ 0.15): (0.05 ~ 0.1): (60 ~ 80).
2. the application of biological feedstuff composition as claimed in claim 1 in preparation store pig compound premix or store pig special feed.
3. a store pig compound premix, is characterized in that, is made up of carrier, antioxidant and biological feedstuff composition as claimed in claim 1.
4. store pig compound premix according to claim 3, is characterized in that, the mass percentage that described biological feedstuff composition accounts for described store pig compound premix is 39% ~ 66%.
5. store pig compound premix according to claim 4, is characterized in that, the mass percentage that described antioxidant accounts for described store pig compound premix is 0.03% ~ 0.06%, and surplus is carrier.
6. store pig compound premix according to claim 3, is characterized in that, described antioxidant is a kind of in ethoxyquinoline or dibutyl hydroxy toluene or both mixtures.
7. store pig compound premix according to claim 3, is characterized in that, described carrier is stone flour, bentonitic a kind of or both mixture.
8. store pig compound premix according to claim 7, is characterized in that, described stone flour is zeolite powder.
9. a store pig special feed, is characterized in that, is made up of basal diet and the store pig compound premix according to any one of claim 3 to 8.
10. store pig special feed according to claim 9, is characterized in that, the mass percentage that described store pig compound premix accounts for described store pig special feed is 0.2% ~ 0.3%.
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| CN104543414A (en) * | 2015-01-23 | 2015-04-29 | 四川省畜牧科学研究院 | Compound organic microelement premix feed and compound feed |
| CN104585514B (en) * | 2015-02-12 | 2018-03-02 | 广州博善生物科技股份有限公司 | Feed addictive, feed and pork quality modification method |
| CN104782918A (en) * | 2015-05-15 | 2015-07-22 | 天津佰力喜动物药业有限公司 | growth-promoting nutritional agent for pigs |
| CN105231047A (en) * | 2015-11-05 | 2016-01-13 | 北京慧农生物科技有限公司 | Low-emission environmentally-friendly feed as well as preparation method and application thereof |
| CN107518202A (en) * | 2016-06-21 | 2017-12-29 | 孙洪军 | A kind of bird feed additive |
| CN114223804A (en) * | 2022-01-04 | 2022-03-25 | 长沙兴嘉生物工程股份有限公司 | Feed additive for improving carcass quality of meat poultry and preparation method and application thereof |
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Denomination of invention: Biological feed composition containing organic trace elements, application of composition, composite premix for growing and fattening of pigs and feeds specially for growing and fattening of pigs Effective date of registration: 20160728 Granted publication date: 20160224 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Chengdu, Jinjiang branch Pledgor: Sichuan Animtech Feed Co., Ltd. Registration number: 2016510000038 |
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