CN110477208A - A kind of broiler fodder improving chicken meat quality - Google Patents

Abstract

The invention discloses a kind of broiler fodders for improving chicken meat quality, component including following parts by weight: 50-60 parts of corn, it cracks rice 5-10 parts, 1-3 parts of lard, 3-8 parts of wheat-middlings, 15-20 parts of the peeled soybeans dregs of rice, 6-8 parts of corn protein powder, 3-6 parts of brewer's yeast, 0.5-2 parts of tea leaf powder, 1-2 parts of calcium carbonate, 0.1-0.4 parts of calcium bicarbonate, 0.1-0.2 parts of choline, 0.5-1.5 parts of lysine, 0.05-0.15 parts of methionine, 0.2-0.5 parts of sodium chloride, 2-5 parts of herbal component, 0.3-0.6 parts of premix, wherein premix includes copper, iron, manganese, zinc, selenium, iodine, the ingredients such as vitamin.The formula of the invention is reasonable, and preparation is simple, and pure Chinese herbal medicine composition is added into feed, is had no toxic side effect, and can improve chicken meat quality can be reduced antibiotic usage again, prevents adverse effect caused by a large amount of uses of antibiotic.

Description

A kind of broiler fodder improving chicken meat quality

Technical field

The invention belongs to bird feed technical field more particularly to a kind of broiler fodders for improving chicken meat quality.

Background technique

Broiler chicken is the most common poultry of artificial rearing, and history at least about 4000 is tamed for wild jungle fowl in family chicken source Year, but chicken and egg just become the commodity of mass production before and after 1800.

Broiler fodder must contain higher-energy and protein, add vitamin, minerals and microelement in right amount, unlimited Scale of feeding is measured, is allowed to be freely eaten, timing feeds daily, and filling does not exceed the 1/3 of feed trough height, wastes in order to avoid pecking out.No The rotten feed that goes rotten is fed, and guarantees the sufficient drinking-water of fresh cleaning.

Broiler fodder currently on the market is mainly used for improving chicken meat quality, health aspect by add a large amount of antibiotic into Row is disease-resistant, be easy to cause antibiotic residue, reduces the nutrition and health care function of chicken, can also generate unfavorable shadow to human health It rings.Therefore market needs a kind of to improve chicken meat quality again and can be reduced the safe and healthy broiler fodder of antibiotic usage.

Since Chinese medicine can not only prevent and treat disease, promotion growth of animal, but also the drug being detrimental to health will not be generated Residual, the gradually attention by vast veterinary drug manufacturing enterprise and livestock and poultry cultivation person of the traditional traditional Chinese medicine in China, herbal medicine Production and use ratio expand year by year.Currently, many large size livestock and poultry cultivation enterprises using herbal medicine as prevent, treat disease and The emphasis of growth of animal is promoted to use object, the herbal medicine use of middle-size and small-size farm (family) is also increasingly extensive, and herbal medicine is even more The optimumitem developed and developed as veterinary drug manufacturing enterprise.

Summary of the invention

It is an object of the invention to: it is disease-resistant for being carried out in existing broiler fodder by a large amount of antibiotic of addition, it is easy to make A kind of raising chicken is provided the problem of reducing the nutrition of chicken and have an adverse effect to human health at antibiotic residue The broiler fodder of quality, can improve chicken meat quality can be reduced antibiotic usage again.

The technical solution adopted by the invention is as follows:

A kind of broiler fodder improving chicken meat quality, the component including following parts by weight:

It 50-60 parts of corn, cracks rice 5-10 parts, 1-3 parts of lard, 3-8 parts of wheat-middlings, 15-20 parts of the peeled soybeans dregs of rice, zein 6-8 parts of powder, 3-6 parts of brewer's yeast, 0.5-2 parts of tea leaf powder, 1-2 parts of calcium carbonate, 0.1-0.4 parts of calcium bicarbonate, choline 0.1-0.2 Part, 0.5-1.5 parts of lysine, 0.05-0.15 parts of methionine, 0.2-0.5 parts of sodium chloride, 2-5 parts of herbal component and premix 0.3-0.6 parts.

Further, the component including following parts by weight:

It 52 parts of corn, cracks rice 7 parts, 1.5 parts of lard, 5 parts of wheat-middlings, 17.5 parts of the peeled soybeans dregs of rice, 7.5 parts of corn protein powder, 4.5 parts of brewer's yeast, 1 part of tea leaf powder, 1.7 parts of calcium carbonate, 0.3 part of calcium bicarbonate, 0.15 part of choline, 1 part of lysine, methionine 0.1 part, 0.3 part of sodium chloride, 4 parts and 0.5 part of premix of herbal component.

Contain catechin ingredient in tealeaves, there is bitter, astringent taste and convergence.Have anti-oxidant, anti-halmatogenesis, resist and swell Tumor reduces Blood Cholesterol and low-density ester gp content, inhibits blood pressure to rise, inhibits platelet aggregation, antibacterial, anti-product Allergy and other effects；11 kinds of minerals such as potassium rich in, calcium, magnesium, manganese in tea, potassium can promote blood sodium to exclude, and manganese has antioxygen The effect of changing and preventing aging enhances immune function, and facilitates the utilization of calcium.Because not dissolving in hot water, it is edible that tea powder can be worn into More preferably；Also containing vitamin and other function compositions in tea, flavonols tool enhancing wall of micrangium, saponin has anticancer, anti-inflammatory Disease effect.

Brewer's yeast is common typical top fermenting yeast in Beer Brewage.Thallus vitamin, protein content are high, It can eat, medicinal and fodder yeast.It is practically free of fat, starch and sugar in brewer's yeast, and contains excellent protein, complete Whole B family vitamin, a variety of biological state minerals and high-quality dietary fiber." three low four is excellent " is general to the height of its nutritional characteristic It includes: it is low fat, low sugar, low in calories (cholesterol-free), there is high-quality complete protein, complete B family vitamin group is to promote hair Hair, skin are healthier, the mineral of good quality of 14 kinds of life reference states, high-quality functional dietary fiber.The characteristics of nutritious yeast is Balanced nutritious, the composition of nutritional ingredient is particularly suitable for demand, can balance due to unreasonable diet structure and bring nutrition The health problem caused therefrom is alleviated in unbalance and elimination.

Further, herbal component includes the component of following parts by weight:

15-20 parts of coloured malt, 6-8 parts of purslane, dry 3-5 parts and Radix Glycyrrhizae 2-5 parts of mulberries.

Further, herbal component includes the component of following parts by weight:

18 parts of coloured malt, 7 parts of purslane, dry 4 parts and 3 parts of Radix Glycyrrhizae of mulberries.

Coloured malt has digestion-aid effect, contains α and beta amylase in coloured malt, and starch is the mixed of amylose and amylopectin Object is closed, the glucose molecule of amylose is formed and is connected with α-Isosorbide-5-Nitrae glucoside key, and arranged in straight chain.Amylopectin is short straight by several Chain polyglucose cross arrangement.There are also α -1,6 glucoside keys in addition to α-Isosorbide-5-Nitrae glucoside key in branched amylopectin molecules.α and beta amylase can water α-Isosorbide-5-Nitrae glucoside key is solved, to α -1,6 glucoside keys are without effect.Beta amylase can be by amylose complete hydrolysis at maltose, and alpha amylase is then allowed to Short straight key polyglucose (i.e. dextrin) is resolved into, the latter can be hydrolyzed into maltose again for beta amylase.Therefore starch forms sediment in α and β Maltose and dextrin are decomposed under the action of powder enzyme；In addition coloured malt has slight promotion to make the secretion of gastric acid and pepsin With；For coloured malt there are also hypoglycemic effect and antifungic action, hordenine A and B contained in coloured malt have antifungal activity.

Purslane two oxyethylamines, malic acid, glucose, calcium, phosphorus, iron and vitamin E rich in, carrotene, The nutriments such as vitamin B, vitamin C.Wherein, 3 content of fatty acid of ω-is higher than very much, and 3 fatty acid of ω-can inhibit the solid acid of gallbladder Absorption, reduce serum cholesterol concentration, improve vessel wall elasticity, it is highly advantageous to prevention and cure of cardiovascular disease.Purslane herb supplies It is medicinal, there is clearing heat and promoting diuresis, removing toxicity for detumescence, anti-inflammatory, quench the thirst, diuresis；Seed improving eyesight；Veterinary drug and pesticide can also be made；Young stem and leaf It can make vegetables, sour and good feed.

Dry the effect of the purifying the blood, promoting hematopoietic growth, improve body hematopoiesis function that can enrich blood of mulberries；Contain during mulberries are dry Resveratrol (RES) certain genes in human body can be stimulated to inhibit growth of cancer cells, and the shape of embolism in blood cell can be prevented At, thus there is anticancer, the effect of reducing blood sugar and blood lipid；Mulberries are dry, and rich in antioxidant contents such as vitamin Cs can also to enhance blood new Old metabolic capability, strengthen immunity.In addition, modern study confirms, glucose rich in mulberries fruit, sucrose, fructose, Carrotene, vitamin (A original, B1, B2, PP and C), malic acid, succinic acid, tartaric acid and mineral calcium, phosphorus, iron, copper, zinc Deng.Mulberries nutritive value is 5 times of apple, and resveratrol content is more than ten times of grape, and through detecting, the dry Se content of mulberries is up to 68ug/kg, anthocyanidin content 1936mg/kg, resveratrol content are 0.365mg/kg；Total amino acid content is up to 4.8%.Chinese medicine Think that mulberries acid sweet in flavor, cold nature enter the heart, liver and kidney channel, is strengthening by means of tonics, the good fruit of nourishing heart intelligence development.With enriching yin of enriching blood, promote the production of body fluid Quench the thirst, ease constipation is dry and other effects；Modern pharmacological research also indicates that, mulberries it is dry enter stomach can supplement the shortage of gastric juice, promote disappearing for gastric juice Change, gastric mucosa can be stimulated by entering intestines, promote intestinal fluid secretion, promote gastrointestinal peristalsis, thus the function for having help strong.

Radix Glycyrrhizae can be used in the strong of reconciliation other drugs, and Radix Glycyrrhizae has similar adrenocortical hormones fuction, right Gastroxia caused by histamine has inhibiting effect；And there is antiacid and alleviation gastrointestinal smooth muscle spasm effect；There are also anti-for Radix Glycyrrhizae Inflammation, anti-allergic effects can protect the throat and tunica mucosa tracheae of inflammation.Extract of licorice root has similar grape to certain poisonous substances with glycyrrhizic acid The detoxication of uronic acid；Hypo acid contained by Radix Glycyrrhizae can block the effect of Induced by Carcinogen tumour growth.

Tea leaf powder, brewer's yeast are done with Chinese herbal medicine coloured malt, purslane, mulberries, are made together with Radix Glycyrrhizae in formula in the present invention With playing the role of that spleen benefiting and stimulating the appetite is aid digestion, enrich blood strong body, coloured malt and mulberry while sufficiently supplementing all kinds of nutritional ingredients Shen is dry to all have good rush digestive function, and coloured malt, tealeaves and purslane all have the function of antibacterial anti-inflammatory, and mulberries are dry also The effect of with promoting hematopoietic growth, improving body hematopoiesis function, and Radix Glycyrrhizae effectively reconciles the pharmacological property of each Chinese medicine, makes medicine Property it is gentle, it is preferably among feed, each component effective component to act synergistically under the reconciliation of Radix Glycyrrhizae, it is immune to play enhancing Power, the effect for improving body function, chicken meat quality are improved, and the use of antibiotic is reduced in feed formula；Purslane There is nutrition abundant with brewer's yeast, balanced nutrition being capable of the unbalance health caused therefrom with elimination alleviation of balanced nutrients Problem, takes into account drug effect and nutrition is balanced, supplements the imperfect problem of other nutritional ingredients nutrition that may be present in feed, Further increase chicken meat quality.

Further, premix includes the component of following parts by weight:

It is 10-15 parts of green-vitriol, 1-2 parts of cupric sulfate pentahydrate, 3-4 parts of manganese sulfate monohydrate, 4-5 parts of white vitriol, sub- 0.05-0.08 parts of sodium selenate, 1-2 parts of potassium iodide, fowl is with 4-6 parts of multidimensional, 10% 2-5 parts of Bacitracin Zinc, 12% 3-5 parts of salinomycin With 45-50 parts of mountain flour.

Further, premix includes the component of following parts by weight:

12 parts of green-vitriol, 1.6 parts of cupric sulfate pentahydrate, 3.8 parts of manganese sulfate monohydrate, 4.5 parts of white vitriol, selenous acid 0.06 part of sodium, 1.5 parts of potassium iodide, fowl is with 5 parts of multidimensional, 10% 3 parts of Bacitracin Zinc, 12% 4 parts of salinomycin and 47.5 parts of mountain flour.

Fowl multidimensional be commercially available fowl Cernevit-12, ingredient include probiotics, carrotene, vitamin A, Vitamin C, vitamin E, vitamin D, vitamin B etc., it is various needed for the normal physiological function for maintaining and supplementing livestock and poultry Vitamin, microelement prevent and improve various vitamin-deficiencys.

In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:

1, tea leaf powder, brewer's yeast are done with Chinese herbal medicine coloured malt, purslane, mulberries, together with Radix Glycyrrhizae in formula in the present invention It uses, while sufficiently supplementing all kinds of nutritional ingredients, plays the role of that spleen benefiting and stimulating the appetite is aid digestion, strong body of enriching blood；According to tradition Chinese veterinarian's theory and modern Chinese herbal medicine pharmacology theory, are proved by modern medicine clinical application, can effectively improve chicken meat quality again It can be reduced antibiotic usage, ensure that the health of people；

2, the experiment proved that, the broiler chicken weight that the feed of inventive formulation is raised more live again it is long faster, dressing percentage it is high and Abdominal fat is low, and chicken shearing force is lower, and muscle crude fat content is lower and taste compound inosinicacid and methyllanthionine content are higher, more Unsaturated fatty acid content is higher, and triglycerides, total cholesterol reduce, high-density lipoprotein cholesterol and low-density lipoprotein gallbladder Sterol is higher, and the chicken meat quality of broiler chicken is higher, is more advantageous to people's health；

3, the experiment proved that, Broiler Chicken glutathion inside peroxide can be improved for raising table hens in the feed of inventive formulation Compound enzyme, superoxide dismutase activity, can also reduce serum malondialdehyde content, and interleukin-11 and interleukin-22, are done interleukin 6 The content for disturbing element-γ and tumor necrosis factor-alpha is improved, and illustrates that broiler chicken still has in the case where reducing antibiotic usage There is stronger disease resistance.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit The fixed present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

Therefore, claimed invention is not intended to limit to the detailed description of the embodiment of the present invention of offer below Range, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not having Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.

It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive Property include so that include a series of elements process, method, article or equipment not only include those elements, but also Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described There is also other identical elements in the process, method, article or equipment of element.

Feature and performance of the invention are described in further detail with reference to embodiments.

Embodiment 1

A kind of broiler fodder for raising chicken meat quality that present pre-ferred embodiments provide, the specific steps are as follows:

500g parts of corn are weighed, is cracked rice 50g parts, lard 10g, wheat-middlings 30g, peeled soybeans dregs of rice 150g, corn protein powder 60g, brewer's yeast 30g, tea leaf powder 5g, calcium carbonate 10g, calcium bicarbonate 1g, choline 1g, lysine 5g, methionine 0.5g, chlorination Sodium 2g, herbal component 20g and premix 3g.

Wherein, the component mixed preparing of the following parts by weight of herbal component forms: 15 parts of coloured malt, 6 parts of purslane, and mulberry Dry 3 parts and 2 parts of Radix Glycyrrhizae of Shen.

Wherein, premix is mixed by the component of following parts by weight: 10 parts of green-vitriol, 1 part of cupric sulfate pentahydrate, 3 parts of manganese sulfate monohydrate, 4 parts of white vitriol, 0.05 part of sodium selenite, 1 part of potassium iodide, fowl is with 4 parts of multidimensional, 10% Bacitracin Zinc 2 parts, 12% 3 parts of salinomycin and 45 parts of mountain flour.

The trophic level of feed of the present invention is through surveying, trophic level in every kilogram of feed: dry matter 87.94%, thick protein 19.37%, crude fat 3.98%, coarse ash 1.90%, crude fibre about 1.92%, in wash fiber 7.82%, pickling fiber 3.06%, calcium 0.84%, total phosphorus 0.44%, available phosphorus 0.17%, lysine 0.98%, methionine 0.47%, tryptophan 0.02%, threonine 0.15%, metabolic energy 12.66MJ, trophic level can satisfy the growth demand of broiler chicken.

Embodiment 2

A kind of broiler fodder for raising chicken meat quality that present pre-ferred embodiments provide, the specific steps are as follows:

520g parts of corn are weighed, is cracked rice 70g parts, lard 15g, wheat-middlings 50g, peeled soybeans dregs of rice 175g, corn protein powder 75g, brewer's yeast 45g, tea leaf powder 10g, calcium carbonate 17g, calcium bicarbonate 3g, choline 1.5g, lysine 10g, methionine 1g, chlorine Change sodium 3g, herbal component 40g and premix 5g.

Wherein, the component mixed preparing of the following parts by weight of herbal component forms: 18 parts of coloured malt, 7 parts of purslane, and mulberry Dry 4 parts and 3 parts of Radix Glycyrrhizae of Shen.

Wherein, premix is mixed by the component of following parts by weight: 12 parts of green-vitriol, cupric sulfate pentahydrate 1.6 Part, 3.8 parts of manganese sulfate monohydrate, 4.5 parts of white vitriol, 0.06 part of sodium selenite, 1.5 parts of potassium iodide, fowl with 5 parts of multidimensional, 10% 3 parts of Bacitracin Zinc, 12% 4 parts of salinomycin and 47.5 parts of mountain flour.

The trophic level of feed of the present invention is through surveying, trophic level in every kilogram of feed: dry matter 87.95%, thick protein 19.26%, crude fat 3.99%, coarse ash 1.90%, crude fibre about 1.94%, in wash fiber 7.89%, pickling fiber 3.11%, calcium 0.85%, total phosphorus 0.44%, available phosphorus 0.18%, lysine 0.98%, methionine 0.48%, tryptophan 0.02%, threonine 0.15%, metabolic energy 12.68MJ, trophic level can satisfy the growth demand of broiler chicken.

Embodiment 3

A kind of broiler fodder for raising chicken meat quality that present pre-ferred embodiments provide, the specific steps are as follows:

600g parts of corn are weighed, is cracked rice 100g parts, lard 30g, wheat-middlings 80g, peeled soybeans dregs of rice 200g, corn protein powder 80g, brewer's yeast 60g, tea leaf powder 20g, calcium carbonate 20g, calcium bicarbonate 4g, choline 2g, lysine 15g, methionine 1.5g, chlorine Change sodium 5g, herbal component 50g and premix 6g.

Wherein, the component mixed preparing of the following parts by weight of herbal component forms: 20 parts of coloured malt, 8 parts of purslane, and mulberry Dry 5 parts and 5 parts of Radix Glycyrrhizae of Shen.

Wherein, premix is mixed by the component of following parts by weight: 15 parts of green-vitriol, 2 parts of cupric sulfate pentahydrate, 4 parts of manganese sulfate monohydrate, 5 parts of white vitriol, 0.08 part of sodium selenite, 2 parts of potassium iodide, fowl is with 6 parts of multidimensional, 10% Bacitracin Zinc 5 parts, 12% 5 parts of salinomycin and 50 parts of mountain flour.

The trophic level of feed of the present invention is through surveying, trophic level in every kilogram of feed: dry matter 87.95%, thick protein 19.68%, crude fat 3.99%, coarse ash 1.90%, crude fibre about 1.95%, in wash fiber 7.89%, pickling fiber 3.16%, calcium 0.85%, total phosphorus 0.44%, available phosphorus 0.18%, lysine 0.98%, methionine 0.48%, tryptophan 0.02%, threonine 0.15%, metabolic energy 12.68MJ, trophic level can satisfy the growth demand of broiler chicken.

Experimental example

Certain company is tested in the yellow plumage chicken that the yellow-feather broiler cultivation base in Sichuan is supported.

The 1 public young bird of age in days yellow-feather broiler health is randomly divided into 5 processing, every group of 8 weights by the weight principle of indifference is repeated Multiple, 20 chickens of each repetition are designed using single-factor randomized block experiment, if control group 1, control group 2 and experimental group 1, experiment Group 2, experimental group 3, control group 1 do not add herbal component, remaining ingredient is identical as inventive formulation；Control group 2 adds medium-height grass Pharmaceutically active ingredient is main constituent: 8 parts of raw pawpaw, 12 parts of garlic, 15 parts of purslane, 9 parts of the coptis, 7 parts of bluish dogbane, how grass 5 Part, 4 parts of purple perilla, 3 parts of Radix Glycyrrhizae, 2 parts of fennel, 2 parts of pomegranate seed, remaining ingredient is identical as inventive formulation；Experimental group 1, experimental group 2, experimental group 3 is respectively embodiment 1, embodiment 2, broiler fodder obtained by embodiment 3.Feed using cold pressing granulation, with Pellet form feeding.

It carries out butchering sampling in 70 ages in days.

It is freely eaten and drinks water.It is executed by daily feeding management and immune system.

Test data indicates that the One-way ANOVA in SPSS18.0 software carries out variance analysis with mean value ± standard error, Duncan ' s method carries out Multiple range test.

One, growth performance

Average weight.It randomly selects weekly and weighs, average weight (g)=total weight (g)/number of elements

1 yellow-feather broiler growth performance table of table

As shown in Table 1,70 ages in days of control group 2 are slightly above control group 1,70 age in days weights of the experimental group relative to control group again Higher, the broiler chicken weight of experimental group more lives again length faster.

Two, Slaughter

The Slaughter index of poultry generally comprises dressing percentage, half net thorax rate, complete net thorax rate, leg flesh rate, chest muscle rate and abdomen Rouge rate:

1. dressing percentage (%)=slaughter traits/live-weight × 100%

2. half net thorax net thorax weight/live-weight × 100% of rate (%)=half again

3. complete net thorax rate (%)=complete net thorax weight/live-weight × 100% again

4. leg flesh rate (%)=leg flesh weight/complete net thorax weight × 100%

5. chest muscle rate (%)=chest muscle weight/complete net thorax weight × 100%

6. abdominal fat (%)=(abdominal fat weight+muscular stomach external fat weight)/complete net thorax weight × 100%

2 yellow-feather broiler Slaughter table of table

As shown in Table 2: half net thorax rate, complete net thorax rate, chest muscle rate and leg flesh rate when 70 age in days of yellow-feather broiler these Carcass Index difference in 5 different disposals is not significant, and experimental group can be improved dressing percentage and significantly reduce the abdominal fat of broiler chicken Rate.

Three, pork quality traits

(1) physical index

1. yellowish pink.The chicken yellowish pink grade after just butchering is measured using colorimeter, is used in 1~2 hour after butchering Minolata CR310 measures chest muscle yellowish pink, and selection measurement site is the smooth muscle not damaged, and each sample measurement is three times. Three numerical value can be obtained in Minolata CR310 instrument, and wherein L* indicates brightness, and a* indicates redness, and b* indicates yellowing.

2. pH value.With digital pH tester after chicken is butchered under 45min and 4 DEG C of preservation condition for 24 hours after chicken pH Value, when measurement, must embed the electrode tip of pH tester into meat sample completely, and each sample selects different parts measurement three times, ask Average value；

3. shearing force.Will by chest muscle shear become 2cm × 1cm × 1cm (length × width x thickness), leg flesh for 2cm × 1cm × The size of 0.5cm (length × width x thickness) is placed in sample sack, side by side net air, is placed in 75 DEG C of water-baths, is made after sealing Chicken internal temperature is up to 75 DEG C.Meat sample is taken out after water-bath and is placed in room temperature, is wiped sample surfaces moisture away, is measured using tenderometer Muscle shearing force, toughness and muscle fibre index；

4. drip loss measures.After butchering in 30 minutes, the sample of left pectoral and each 20 grams of leg flesh or so is taken, by sample Product are sling with iron wire, and will test the sealing of meat sample product with polybag should stay the water droplet of sufficient space dress meat sample exudation wherein, in bag. Test bag is put into 4 ° of refrigerators and is hung 24 hours, opens polybag later, is claimed after sucking test meat sample surface moisture with filter paper Weight.Weight × 100% before drip loss ﹦ (weight after weight ﹣ sample is hung before sample is hung)/sample is hung

3 yellow-feather broiler muscle physical characteristic table of table

As shown in Table 8: three index brightness, redness and the yellowing of yellow-feather broiler muscle yellowish pink butcher rear 45min and for 24 hours Muscle pH value and muscle drip loss all difference very littles, but experimental group reduces muscle shearing force.

(2) chemical component

1. moisture and dry matter

1) the moisture ware after cleaning is numbered, is placed in (105 ± 2) DEG C constant temperature oven drying 1h, cooling 30min in drier After weigh, specific weight is accurate to 0.0002g, dries 0.5h after weighing, and cooling 30min, weighs again in drier, two The difference of secondary weight is no more than 0.0005g, and record quality is m1；

2) 5g or so meat sample is weighed, 0.0002g is accurate to, quality m2 is put into moisture ware.

3) the moisture ware of sample will be housed, be placed at constant temperature oven (105 ± 2) DEG C and dry 3h, when oven temperature is up to 105 DEG C When start formal timing, take out moisture ware, weigh after being put into drier cooling room temperature, be accurate to 0.0002g.After weighing again After being put into baking oven drying 1h, cooling 30min is taken out, weighs and records weight, weighed difference twice and be no more than 0.002g, record quality For m3.Calculation formula is as follows:

Sample moisture content (%)=(m2-m3)/(m2-m1) x100%

Sample dry matter content (%)=(m1-m3)/m2 x100%

2. intramuscular fat content

Chicken meat sample is put into crucible, is placed under 103 DEG C of baking oven after drying 6h and is put into drier cooling 30min, Sample pulverizer is taken out after cooling by sample comminution, smashed sample powder is put into the small sample bag of reference numeral, envelope Mouthful.

1) 4.0000g (W1) sample powder is weighed, wraps sample, pencil number with filter paper；

2) filter paper packet being put into 95 DEG C of drying overnight, the cooling 30min of second day taking-up sample drying weighs and records, then Secondary dry cooling 30min after being put into 95 DEG C of baking oven drying 2h, weighs and records, the difference of weight is no more than 0.001g, record twice Weight is W2；

3) the filter paper packet equipped with sample being placed in the Soxhlet extractor equipped with ether, ether must flood sample completely, Condensed water is connected, is stripped about 12h in the water-bath of constant temperature (65 DEG C of water temperature)；

4) sample packet is taken out from Soxhlet extractor, ether volatilizees completely in ventilation, is placed in 95 DEG C of baking ovens and is dried Dry cooling 30min, weighs and records after dry 2h, is again placed in dry cooling 30min after 95 DEG C of baking oven drying 2h, weighs and remember Record weighs difference twice and is no more than 0.001g, and record weight is W3；

Crude fat content (%)=(W2-W3)/W1 × 100%

3. inosinicacid and thiamines cellulose content

1) 1.2500g meat sample is weighed, 10mL homogenate tube is placed in after being shredded sample with the scissors to sterilize；

2) by 5% perchloric acid solution of 1mL be added homogenate tube in, in high-speed homogenization machine with 15000r/min by sample into Row homogenate, in triplicate, about 40s, finally rinses homogenizer with a small amount of perchloric acid every time；

3) sample slurries in homogenate tube are transferred in new 10mL centrifuge tube, 35000r/min high speed centrifugation 5min takes The concussion of 5% perchloric acid of 2mL is added into 25mL volumetric flask, after precipitating and mixes for supernatant liquid filtering, and centrifuging and taking supernatant is filtered to previous In secondary filtrate；

4) it is settled to 25mL with ultrapure water after filtrate pH value being adjusted to 6.5 with the NaOH of 5mol/L and 0.5mol/L, it is fixed It shakes up after appearance, is detected using high performance liquid chromatograph is used for after 5 μm of membrane filtrations.

4. crude protein content

1) it weighs 1.0000g (m) drying and grinding sample and is put into digest tube, 6.4g mixed catalyst, 12mL sulfuric acid is added, disappears Boil 420 DEG C of digestion 1h in furnace.Digest tube is taken out after the completion of digestion, distilled water 30mL is added after being cooled to room temperature, and records digestive juice Total volume is V.

2) digest tube is put into semi-automatic nitrogen analyzer distilling apparatus, using 25mL boric acid as absorbent, mixing is added and refers to Show that agent 2 is dripped；

3) distilling apparatus end is put into the conical flask added with absorbent, it is molten that 50mL sodium hydroxide is added into digest tube Liquid is distilled, and absorbing liquid volume stops distillation when reaching 100mL (V ')；

4) conical flask is removed, with distilled water flushing condenser ends, flushing liquor is collected in conical flask；

It 5) is 0.1mol/L (C) standard hydrochloric acid solution titration absorbing liquid with concentration, when solution becomes bois de rose by blue-green For terminal, titrates titer volume used and be recorded as V2；

6) 0.5g sucrose is weighed, carries out blank determination by above-mentioned steps, consumption concentration is 0.1mol/L hydrochloric acid standard solution Volume (V1) is no more than 0.2mL.It consumes 0.02mol/L hydrochloric acid standard solution volume and is no more than 0.3mL.Thick protein (%)= (V2-V1)×C×0.0140×6.25×V×100/m×V'。

Wherein:

V1: ml of sample consumption hydrochloric acid standard solution

V0: ml of reagent blank consumption hydrochloric acid standard solution

C: the equivalent concentration of hydrochloric acid standard solution

K: protein conversion coefficient

0.014: hydrochloric acid standard solution 1mL is equivalent to the grams of nitrogen

V: constant volume/liquid-taken amount

M: the weight of sample

5. content of fatty acid

1) fat-extraction.It takes 10g muscle samples to be put into moisture ware, is placed under 103 DEG C of baking oven and dries 1h, drying cools After pulverize.Take 0.5g digested tankage to be put into 10mL glass centrifuge tube, be added 2mL by 1:1 ratio mixing it is stupid-petroleum ether mix it is molten Agent, closed centrifuge tube, extraction is for 24 hours.

2) quick formicester.It is 0.4mol/L potassium hydroxide-methanol, vortex concussion that 2mL concentration is added into centrifuge tube 3min stands 30min after mixing.Ultrapure water is added and mixes direct 30min for homogenate layering, takes 100 μ L of supernatant to be measured, is added It is detected after the dilution of 1mL hexane by gas-chromatography.

3) chromatographic condition.Chromatographic column: innowax fused-silica capillary column (30m × 0.25mm × 0.25 μm)；Carrier gas is 99.995% nitrogen, flow velocity 1.2mL/min；Air velocity: 350mL/min；Hydrogen flow rate: 30mL/min；Injection port temperature Degree: 250 DEG C, detector: fid detector, temperature are 280 DEG C；Post case temperature setting: temperature programming, 40 DEG C, 5min, with 15 DEG C/ Min is warming up to 150 DEG C, keeps 5min, then rise to 205 DEG C with 2 DEG C/min, keeps 5min；Input mode: split sampling；Sample introduction Amount: 1 μ L.

4 yellow-feather broiler muscle chemical composition table of table

As shown in Table 4, thick moisture and crude protein content difference are smaller in yellow-feather broiler chest muscle, but experimental group reduces muscle Crude fat content improves taste compound inosinicacid and methyllanthionine content.

Content of fatty acid table in 5 yellow-feather broiler muscle of table

As shown in Table 5, experimental group feed can dramatically increase content of polyunsaturated fatty acid, wherein linolenic acid and 20 carbon Pentaene acid content significantly improves, to improve content of polyunsaturated fatty acid.

Four, Biochemical Indices In Serum

(1) blood lipid level

Blood sample is collected when butchering, at room temperature natural coagulation 10-20min, collect after 3000 revs/min of centrifugation 20min Layer serum is sent to certain hospital using total cholesterol (TC), glycerol in Toshiba TBA-40FR automatic clinical chemistry analyzer measurement serum Three esters (TG), high-density lipoprotein cholesterol (HDL-C) and low density lipoprotein cholesterol (LDL-C) content.

6 yellow-feather broiler blood lipid level table of table

Unit: mmol/L

As shown in Table 6, experimental group triglycerides, total cholesterol significantly reduce, and high-density lipoprotein cholesterol and low close Degree lipoprotein cholesterol is improved.

(2) activities of antioxidant enzymes

Blood sample is collected when butchering, at room temperature natural coagulation 10-20min, collect after 3000 revs/min of centrifugation 20min Layer serum.Superoxide dismutase (SOD), peroxidase are detected respectively using ELISA enzyme-linked immunologic detecting kit (POD), glutathione peroxidase (GSH-PX), total antioxidant capacity (T-AOC) and malonaldehyde (MDA).

7 yellow-feather broiler Serum Antioxidant Enzyme Activity table of table

As shown in Table 7, activity of glutathione peroxidase, the super oxygen of experimental group and control group 2 can be improved in experimental group Object mutase is significantly improved compared with control group 1, and experimental group can also reduce serum malondialdehyde content.

(3) blood sample is collected when cellular immunity factor content is butchered, at room temperature natural coagulation 10-20min, 3000 turns/ Upper serum is collected after separation heart 20min.Detection assay chicken interleukin-2 2 is distinguished using ELISA enzyme-linked immunologic detecting kit (IL-2), chicken tumor necrosis factor β (TNF-beta), chicken interferon-γ (IFN-γ), chicken interleukin-2 4 (IL-4), chicken interleukin-2 6 (IL-6) IL-2, TNF-beta, IFN-γ, the content of IL-4, IL-6 in serum are measured.

8 yellow-feather broiler serum cytokines table of table

Unit: μ g/mL

As shown in Table 8, experimental group improves interleukin-11 and interleukin-22, interleukin 6, interferon-γ and tumor necrosis factor The content of son-α, and effect is better than control group 2.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (6)

1. a kind of broiler fodder for improving chicken meat quality, which is characterized in that the component including following parts by weight:

It 50-60 parts of corn, cracks rice 5-10 parts, 1-3 parts of lard, 3-8 parts of wheat-middlings, 15-20 parts of the peeled soybeans dregs of rice, corn protein powder 6- 8 parts, 3-6 parts of brewer's yeast, 0.5-2 parts of tea leaf powder, 1-2 parts of calcium carbonate, 0.1-0.4 parts of calcium bicarbonate, 0.1-0.2 parts of choline, 0.5-1.5 parts of lysine, 0.05-0.15 parts of methionine, 0.2-0.5 parts of sodium chloride, 2-5 parts of herbal component and premix 0.3- 0.6 part.

2. the broiler fodder according to claim 1 for improving chicken meat quality, which is characterized in that including following parts by weight Component:

It 52 parts of corn, cracks rice 7 parts, 1.5 parts of lard, 5 parts of wheat-middlings, 17.5 parts of the peeled soybeans dregs of rice, 7.5 parts of corn protein powder, beer 4.5 parts of yeast, 1 part of tea leaf powder, 1.7 parts of calcium carbonate, 0.3 part of calcium bicarbonate, 0.15 part of choline, 1 part of lysine, methionine 0.1 Part, 0.3 part of sodium chloride, 4 parts and 0.5 part of premix of herbal component.

3. the broiler fodder according to claim 1 or 2 for improving chicken meat quality, which is characterized in that the herbal component Component including following parts by weight:

15-20 parts of coloured malt, 6-8 parts of purslane, dry 3-5 parts and Radix Glycyrrhizae 2-5 parts of mulberries.

4. the broiler fodder according to claim 3 for improving chicken meat quality, which is characterized in that the herbal component includes The component of following parts by weight:

18 parts of coloured malt, 7 parts of purslane, dry 4 parts and 3 parts of Radix Glycyrrhizae of mulberries.

5. the broiler fodder according to claim 1 or 2 for improving chicken meat quality, which is characterized in that the premix includes The component of following parts by weight:

10-15 parts of green-vitriol, 1-2 parts of cupric sulfate pentahydrate, 3-4 parts of manganese sulfate monohydrate, 4-5 parts of white vitriol, selenous acid 0.05-0.08 parts of sodium, 1-2 parts of potassium iodide, fowl is with 4-6 parts of multidimensional, 10% 2-5 parts of Bacitracin Zinc, 12% 3-5 parts of salinomycin and stone 45-50 parts of powder.

6. the broiler fodder according to claim 5 for improving chicken meat quality, which is characterized in that the premix includes following The component of parts by weight:

12 parts of green-vitriol, 1.6 parts of cupric sulfate pentahydrate, 3.8 parts of manganese sulfate monohydrate, 4.5 parts of white vitriol, sodium selenite 0.06 part, 1.5 parts of potassium iodide, fowl is with 5 parts of multidimensional, 10% 3 parts of Bacitracin Zinc, 12% 4 parts of salinomycin and 47.5 parts of mountain flour.