CN113080324A - Pig feed additive and production method thereof - Google Patents
Pig feed additive and production method thereof Download PDFInfo
- Publication number
- CN113080324A CN113080324A CN202110518978.7A CN202110518978A CN113080324A CN 113080324 A CN113080324 A CN 113080324A CN 202110518978 A CN202110518978 A CN 202110518978A CN 113080324 A CN113080324 A CN 113080324A
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- feed additive
- pig feed
- pig
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Classifications
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2400/00—Lactic or propionic acid bacteria
- A23V2400/51—Bifidobacterium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Abstract
The invention discloses a pig feed additive and a production method thereof, and the pig feed additive comprises peanut shells, poplar leaves, duckweed, purslane, Chinese yam, a Chinese herbal medicine preparation, vitamin E, lysine, a probiotic preparation, beta-carotene and biotin. The production method comprises the steps of crushing, primary mixing, preparation of a Chinese herbal medicine preparation, preparation of a probiotic preparation, mixing and granulation. The reasonable matching of the components meets the requirements of the pig on organic matters, nutrition and special substances, can promote the metabolism of the pig, promote the growth and development of the pig, effectively prevent various diseases through the traditional Chinese medicine preparation, enhance the digestion capacity of the pig by using the probiotic preparation, enhance the absorption of the nutrient substances, activate immunocompetent cells, enhance the immunity of the organism and promote the fattening; the composition can be used in combination with Chinese herbal medicine preparation to enhance pig immunity and anti-stress capability.
Description
Technical Field
The invention relates to the technical field of feed processing, in particular to a pig feed additive and a production method thereof.
Background
With the development of animal husbandry and the improvement of living standard of people, the demand of people on animal food is changed from light weight to heavy weight, and the requirements on drug residue, sanitary quality and the like are higher. However, in order to enable pigs to grow rapidly and reduce the breeding cost of the pigs, a farmer adds a large amount of antibiotics and chemical agents in the feed for a long time, and long-term use of the substances easily causes the problems of drug resistance of pathogenic microorganisms, reduction of animal immunity, reduction of product quality and the like, and in the growing period of the pigs, particularly piglets, stress reaction is easily caused after weaning, the piglets are often subjected to severe diarrhea, the growth is inhibited and even die, and serious economic loss is caused to pig breeding production. Antibiotics are still the main antidysenteric drugs used by people at present, and people pay more attention to the quality and flavor of the antibiotics in the pig industry at present, so that the production of green animal food with good quality and flavor, no drug residue, high quality, nutrition and safety is urgent. Therefore, the feed additive which can replace antibiotics, has no drug residue, no drug resistance and no side effect, can improve the body immunity of the piglets and promote the piglets to grow fast and healthily is urgent.
Disclosure of Invention
The invention aims to overcome the defects and provide a pig feed additive and a production method thereof.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
the pig feed additive comprises the following raw material components in parts by weight: 10-20 parts of peanut shell, 2-6 parts of poplar leaf, 2-5 parts of duckweed, 2-5 parts of purslane, 2-5 parts of Chinese yam, 1-3 parts of Chinese herbal medicine preparation, 0.1-0.2 part of vitamin E, 0.10-0.14 part of lysine, 0.10-0.12 part of probiotic preparation, 0.08-0.10 part of beta-carotene and 0.05-0.08 part of biotin.
Preferably, the Chinese herbal medicine preparation comprises the following raw material components in parts by weight: 6-15 parts of hawthorn, 5-10 parts of black beans, 5-10 parts of dried orange peel, 2-9 parts of liquorice, 3-8 parts of paulownia flower, 2-8 parts of dwarf lilyturf tuber, 1-2 parts of honeysuckle, 1-2 parts of garlic, 1-2 parts of wormwood powder, 1-2 parts of acanthopanax and 1-2 parts of Chinese pine.
Preferably, the probiotic preparation comprises bifidobacterium, bacillus subtilis, active dry yeast and an enzyme preparation; the weight ratio of the bifidobacteria to the bacillus subtilis to the active dry yeast to the enzyme preparation is 3:2:1: 30.
Preferably, the enzyme preparation comprises xylanase, lactate dehydrogenase, pepsin and trypsin; the weight ratio of the xylanase, the lactate dehydrogenase, the pepsin and the trypsin is 2:1.5:6: 5.
The invention also provides a production method of the pig feed additive, which comprises the following steps:
step one, crushing: cleaning and drying peanut shells, poplar leaves, duckweed, purslane and Chinese yam, weighing the raw materials according to the mass of the raw materials, putting the peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam into a feed grinder, grinding the raw materials into coarse materials, and putting the coarse materials into an autoclave for sterilization;
step two, preliminary mixing: placing the sterilized peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam coarse material into a mixer for mixing, then placing the mixed coarse material and vitamins, lysine, beta-carotene and biotin of the raw material components into a crusher for secondary crushing, and crushing into base material powder; the two-time crushing is adopted, so that the cell wall strength of peanut shells, poplar leaves, duckweeds and the like is remarkably reduced on the basis of no loss of nutritional ingredients, the wall breaking rate is improved, absorption and utilization of piglets are facilitated, and favorable conditions are provided for mixing with subsequent Chinese herbal medicine preparations and probiotic preparations;
step three, preparing a Chinese herbal medicine preparation: cleaning 6-15 parts of hawthorn, 5-10 parts of black beans, 5-10 parts of dried orange peel, 2-9 parts of liquorice, 3-8 parts of paulownia flowers, 2-8 parts of radix ophiopogonis, 1-2 parts of honeysuckle, 1-2 parts of garlic, 1-2 parts of moxa powder, 1-2 parts of acanthopanax roots and 1-2 parts of Chinese pine, naturally drying the materials in the air, adding the materials into a pulverizer, and pulverizing the materials to 50-100 meshes to prepare Chinese herbal medicine mixed powder; mixing the Chinese herbal medicine mixed powder with an ethanol solution according to a mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 80-90 ℃ for 1-2h to obtain a primary extract; squeezing and filtering the primary extract to obtain filtrate A and filter residue; mixing the filter residue with an ethanol solution according to the mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 80-90 ℃ for 1-1.5h to obtain a secondary extract; then squeezing and filtering the secondary extract, and collecting filtrate B; mixing the filtrate A and the filtrate B to obtain filtrate C, concentrating the mixed filtrate C, and drying to obtain powdery Chinese medicinal extract; the volume percentage concentration of the ethanol solution is 30-100%, and the concentrated effective components of the Chinese herbal medicines are arranged in the ethanol solution, so that the ethanol solution can be more fully mixed with the base material, the resistance of piglets to diseases is improved, especially the diarrhea is prevented and relieved, and the growth and development of the piglets are promoted;
step four, preparing the probiotic preparation: weighing bifidobacteria, bacillus subtilis and active dry yeast according to the proportion, uniformly mixing, adding xylanase, lactic dehydrogenase, pepsin and trypsin, and uniformly mixing to obtain a probiotic preparation;
step five, mixing materials: and (3) uniformly mixing the base material powder in the step (II), the powdery traditional Chinese medicine extract in the step (III) and the probiotic preparation in the step (IV), and granulating to obtain the pig feed additive.
Preferably, the coarse material after being crushed in the step one is 100-140 meshes, and the autoclaving time is controlled to be 15-25 minutes.
Preferably, the particle size of the base powder in the second step is 20-50 μm.
Preferably, the bifidobacterium, the bacillus subtilis and the active dry yeast in the fourth step are stirred at a low speed of 32-35 ℃ for 3-5h and mixed uniformly, the stirring speed is 50-55r/min, the temperature is raised to 55-65 ℃, the stirring is continued, the temperature is reduced to 40-50 ℃, and xylanase, lactate dehydrogenase, pepsin and trypsin are added and stirred to obtain the probiotic preparation.
The invention has the following function principle:
according to the invention, the peanut shells, the poplar leaves, the purslane and the Chinese yam which are large in components are used as base materials, so that the piglet is attracted and nutrition is provided for the piglet, wherein the peanut shells contain carbohydrates and crude fiber substances, and also contain various flavonoid compounds such as luteolin, so that the feed has the effects of resisting bacteria, diminishing inflammation, relieving spasm, eliminating phlegm, resisting oxidation and the like, and can be prepared into competitive feed with yeast and amino acid; the poplar leaves are widely distributed, the materials are convenient to obtain, and the medicine has the effects of clearing away heat and toxic materials, diminishing inflammation, promoting diuresis, killing parasites, treating rheumatism, beriberi and blood stasis, and has obvious treatment effects on pregnancy diarrhea, toothache and aphtha; the duckweed is good pig feed, contains potassium acetate, potassium chloride, iodine, bromine and other substances, and also contains a large amount of water-soluble vitamins, sugar, protein, chlorophyll and the like. Has effects in tonifying heart, increasing blood pressure, clearing away heat, and killing culex larva and mosquito pupa; the raw materials are matched with purslane, Chinese yam, vitamins, lysine, biotin and beta-carotene to form a base material, so that the feed additive has good palatability, increases the appetite of piglets, improves the feed intake of the piglets, provides nutrition and various trace elements for the piglets,
the probiotic preparation can improve the digestion and absorption functions of piglets and improve the feed conversion rate; the immunity and disease resistance of piglets can be obviously enhanced, the disease incidence and death rate of piglets are reduced, and the piglets are promoted to grow fast and healthily;
the probiotic preparation comprises Bacillus bifidus, Bacillus subtilis, and active dry yeast. The bifidobacterium and the bacillus subtilis can generate some primary metabolites with low molecular weight, such as organic acids like acetic acid and lactic acid, a plurality of vitamins and growth promoting factors, have an inhibiting effect on some pathogenic bacteria, can activate immunocompetent cells and enhance the immunity of organisms in the metabolic process. The addition of yeast can promote the growth of beneficial bacteria and inhibit the propagation of pathogenic bacteria.
In conclusion, the feed additive disclosed by the invention has the advantages that the base materials such as peanut shells, poplar leaves and duckweeds are compounded with the Chinese herbal medicine preparation and the probiotic preparation, and all the components are synergistic, so that the prepared feed additive is rich in nutrition and contains mineral substances, vitamins, amino acids and other nutrient substances required by the growth of piglets; the palatability is good, the appetite of piglets is increased, and the feed intake of the piglets is improved; the digestion and absorption functions of piglets can be improved, and the feed conversion rate is improved; the feed additive can also obviously enhance the immunocompetence and disease resistance of piglets, has a certain insecticidal effect, reduces the disease incidence and mortality of the piglets, and promotes the piglets to grow fast and healthily.
Compared with the prior art, the invention has the beneficial effects that:
the reasonable matching of the components meets the requirements of the pigs on organic matters, nutrition and special substances, and can promote the metabolism and growth of the pigs; the traditional Chinese medicine preparation is used for effectively preventing various diseases, the added paulownia flowers have the effects of dispelling wind and dissipating heat, clearing heat and removing toxicity, clearing liver and improving eyesight, and treating upper respiratory tract infection, bronchopneumonia, acute tonsillitis, bacillary dysentery, acute enteritis, acute conjunctivitis, parotitis and furuncle, the garlic sprouts have the antibacterial and antiviral effects, the hawthorn has the effects of helping digestion and invigorating stomach, calming the liver and dispelling wind, and the traditional Chinese medicine preparation has no medicine residue, no drug resistance, no side effect, safety, environmental protection and wide market prospect; the probiotic preparation is used for enhancing the digestive ability of the pig, enhancing the absorption of nutrient substances, activating immunocompetent cells, enhancing the immunity of the organism, promoting fattening and enhancing the immunity and anti-stress ability of the pig by combining the use.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
The pig feed additive comprises the following raw material components in parts by weight: 10 parts of peanut shell, 2 parts of poplar leaf, 2 parts of duckweed, 2 parts of purslane, 2 parts of Chinese yam, 1 part of Chinese herbal medicine preparation, 0.1 part of vitamin E, 0.10 part of lysine, 0.10 part of probiotic preparation, 0.08 part of beta-carotene and 0.05 part of biotin.
The Chinese herbal medicine preparation comprises the following raw material components in parts by weight: 6 parts of hawthorn, 5 parts of black beans, 5 parts of dried orange peel, 2 parts of liquorice, 3 parts of paulownia flower, 2 parts of dwarf lilyturf tuber, 1 part of honeysuckle, 1 part of garlic, 1 part of moxa powder, 1 part of acanthopanax and 1 part of Chinese pine.
The probiotic preparation comprises bifidobacterium, bacillus subtilis, active dry yeast and an enzyme preparation; the weight ratio of the bifidobacteria to the bacillus subtilis to the active dry yeast to the enzyme preparation is 3:2:1: 30.
The enzyme preparation comprises xylanase, lactate dehydrogenase, pepsin and trypsin; the weight ratio of the xylanase, the lactate dehydrogenase, the pepsin and the trypsin is 2:1.5:6: 5.
A production method of a pig feed additive comprises the following steps:
step one, crushing: cleaning and drying peanut shells, poplar leaves, duckweed, purslane and Chinese yam, weighing the raw materials according to the mass of the raw materials, putting the peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam into a feed grinder, grinding the raw materials into coarse materials, and putting the coarse materials into an autoclave for sterilization;
step two, preliminary mixing: placing the sterilized peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam coarse material into a mixer for mixing, then placing the mixed coarse material and vitamins, lysine, beta-carotene and biotin of the raw material components into a crusher for secondary crushing, and crushing into base material powder; the two-time crushing is adopted, so that the cell wall strength of peanut shells, poplar leaves, duckweeds and the like is remarkably reduced on the basis of no loss of nutritional ingredients, the wall breaking rate is improved, absorption and utilization of piglets are facilitated, and favorable conditions are provided for mixing with subsequent Chinese herbal medicine preparations and probiotic preparations;
step three, preparing a Chinese herbal medicine preparation: cleaning 6 parts of hawthorn, 5 parts of black beans, 5 parts of dried orange peel, 2 parts of liquorice, 3 parts of paulownia flower, 2 parts of dwarf lilyturf tuber, 1 part of honeysuckle, 1 part of garlic, 1 part of moxa powder, 1 part of acanthopanax and 1 part of Chinese pine, naturally drying the materials in the air, adding the materials into a pulverizer, and pulverizing the materials into 50 meshes to prepare Chinese herbal medicine mixed powder; mixing the Chinese herbal medicine mixed powder with an ethanol solution according to a mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 80 ℃ for 1h to obtain a primary extract; squeezing and filtering the primary extract to obtain filtrate A and filter residue; mixing the filter residue with an ethanol solution according to the mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 80 ℃ for 1h to obtain a secondary extract; then squeezing and filtering the secondary extract, and collecting filtrate B; mixing the filtrate A and the filtrate B to obtain filtrate C, concentrating the mixed filtrate C, and drying to obtain powdery Chinese medicinal extract; the volume percentage concentration of the ethanol solution is 30 percent; the concentrated effective components of the Chinese herbal medicines are arranged at the position, so that the mixture of the concentrated effective components and the base material can be more fully mixed, the resistance of piglets to diseases is improved, especially the diarrhea is prevented and relieved, and the growth and development of the piglets are promoted;
step four, preparing the probiotic preparation: weighing bifidobacteria, bacillus subtilis and active dry yeast according to the proportion, uniformly mixing, adding xylanase, lactic dehydrogenase, pepsin and trypsin, and uniformly mixing to obtain a probiotic preparation;
step five, mixing materials: uniformly mixing the base material powder in the step two, the powdery traditional Chinese medicine extract in the step three and the probiotic preparation in the step four, and granulating to obtain the pig feed additive;
the coarse material crushed in the step one is 100 meshes, and the autoclaving time is controlled to be 15 minutes.
The particle size of the base powder in the second step is 20 microns.
And stirring the bifidobacterium, the bacillus subtilis and the active dry yeast at the low speed of 32 ℃ for 3 hours to be uniformly mixed, wherein the stirring speed is 50r/min, heating to 55 ℃, continuously stirring, cooling to 40 ℃, adding the xylanase, the lactate dehydrogenase, the pepsin and the trypsin, and stirring to obtain the probiotic preparation.
Example 2
The pig feed additive comprises the following raw material components in parts by weight: 15 parts of peanut shell, 4 parts of poplar leaf, 4 parts of duckweed, 3 parts of purslane, 3 parts of Chinese yam, 2 parts of Chinese herbal medicine preparation, 0.15 part of vitamin E, 0.12 part of lysine, 0.11 part of probiotic preparation, 0.09 part of beta-carotene and 0.06 part of biotin.
The Chinese herbal medicine preparation comprises the following raw material components in parts by weight: 10 parts of hawthorn, 8 parts of black beans, 8 parts of dried orange peel, 6 parts of liquorice, 5 parts of paulownia flowers, 5 parts of dwarf lilyturf tuber, 1.5 parts of honeysuckle, 1.5 parts of garlic, 1.5 parts of wormwood powder, 1.5 parts of acanthopanax and 1.5 parts of Chinese pine.
The probiotic preparation comprises bifidobacterium, bacillus subtilis, active dry yeast and an enzyme preparation; the weight ratio of the bifidobacteria to the bacillus subtilis to the active dry yeast to the enzyme preparation is 3:2:1: 30.
The enzyme preparation comprises xylanase, lactate dehydrogenase, pepsin and trypsin; the weight ratio of the xylanase, the lactate dehydrogenase, the pepsin and the trypsin is 2:1.5:6: 5.
A production method of a pig feed additive comprises the following steps:
step one, crushing: cleaning and drying peanut shells, poplar leaves, duckweed, purslane and Chinese yam, weighing the raw materials according to the mass of the raw materials, putting the peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam into a feed grinder, grinding the raw materials into coarse materials, and putting the coarse materials into an autoclave for sterilization;
step two, preliminary mixing: placing the sterilized peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam coarse material into a mixer for mixing, then placing the mixed coarse material and vitamins, lysine, beta-carotene and biotin of the raw material components into a crusher for secondary crushing, and crushing into base material powder; the two-time crushing is adopted, so that the cell wall strength of peanut shells, poplar leaves, duckweeds and the like is remarkably reduced on the basis of no loss of nutritional ingredients, the wall breaking rate is improved, absorption and utilization of piglets are facilitated, and favorable conditions are provided for mixing with subsequent Chinese herbal medicine preparations and probiotic preparations;
step three, preparing a Chinese herbal medicine preparation: cleaning 10 parts of hawthorn, 8 parts of black beans, 8 parts of dried orange peel, 6 parts of liquorice, 5 parts of paulownia flowers, 5 parts of dwarf lilyturf tuber, 1.5 parts of honeysuckle, 1.5 parts of garlic, 1.5 parts of moxa powder, 1.5 parts of acanthopanax and 1.5 parts of Chinese pine, naturally drying the materials in the air, adding the materials into a pulverizer, and pulverizing the materials to 70 meshes to prepare Chinese herbal medicine mixed powder; mixing the Chinese herbal medicine mixed powder with an ethanol solution according to a mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 85 ℃ for 1.5h to obtain a primary extract; squeezing and filtering the primary extract to obtain filtrate A and filter residue; mixing the filter residue with an ethanol solution according to the mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 85 ℃ for 1.3h to obtain a secondary extract; then squeezing and filtering the secondary extract, and collecting filtrate B; mixing the filtrate A and the filtrate B to obtain filtrate C, concentrating the mixed filtrate C, and drying to obtain powdery Chinese medicinal extract; the volume percentage concentration of the ethanol solution is 60 percent; the concentrated effective components of the Chinese herbal medicines are arranged at the position, so that the mixture of the concentrated effective components and the base material can be more fully mixed, the resistance of piglets to diseases is improved, especially the diarrhea is prevented and relieved, and the growth and development of the piglets are promoted;
step four, preparing the probiotic preparation: weighing bifidobacteria, bacillus subtilis and active dry yeast according to the proportion, uniformly mixing, adding xylanase, lactic dehydrogenase, pepsin and trypsin, and uniformly mixing to obtain a probiotic preparation;
step five, mixing materials: uniformly mixing the base material powder in the step two, the powdery traditional Chinese medicine extract in the step three and the probiotic preparation in the step four, and granulating to obtain the pig feed additive;
the coarse material crushed in the step one is 120 meshes, and the autoclaving time is controlled to be 20 minutes.
And the particle size of the base material powder in the second step is 35 mu m.
And stirring the bifidobacterium, the bacillus subtilis and the active dry yeast at the low speed of 33 ℃ for 4 hours to be uniformly mixed, wherein the stirring speed is 52r/min, heating to 60 ℃, continuously stirring, cooling to 45 ℃, adding the xylanase, the lactate dehydrogenase, the pepsin and the trypsin, and stirring to obtain the probiotic preparation.
Example 3
The pig feed additive comprises the following raw material components in parts by weight: 20 parts of peanut shell, 6 parts of poplar leaf, 5 parts of duckweed, 5 parts of purslane, 5 parts of Chinese yam, 3 parts of Chinese herbal medicine preparation, 0.2 part of vitamin E, 0.14 part of lysine, 0.12 part of probiotic preparation, 0.10 part of beta-carotene and 0.08 part of biotin.
The Chinese herbal medicine preparation comprises the following raw material components in parts by weight: 15 parts of hawthorn, 10 parts of black beans, 10 parts of dried orange peel, 9 parts of liquorice, 8 parts of paulownia flower, 8 parts of dwarf lilyturf tuber, 2 parts of honeysuckle, 2 parts of garlic, 2 parts of wormwood powder, 2 parts of acanthopanax and 2 parts of Chinese pine.
The probiotic preparation comprises bifidobacterium, bacillus subtilis, active dry yeast and an enzyme preparation; the weight ratio of the bifidobacteria to the bacillus subtilis to the active dry yeast to the enzyme preparation is 3:2:1: 30.
The enzyme preparation comprises xylanase, lactate dehydrogenase, pepsin and trypsin; the weight ratio of the xylanase, the lactate dehydrogenase, the pepsin and the trypsin is 2:1.5:6: 5.
The invention also provides a production method of the pig feed additive, which comprises the following steps:
step one, crushing: cleaning and drying peanut shells, poplar leaves, duckweed, purslane and Chinese yam, weighing the raw materials according to the mass of the raw materials, putting the peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam into a feed grinder, grinding the raw materials into coarse materials, and putting the coarse materials into an autoclave for sterilization;
step two, preliminary mixing: placing the sterilized peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam coarse material into a mixer for mixing, then placing the mixed coarse material and vitamins, lysine, beta-carotene and biotin of the raw material components into a crusher for secondary crushing, and crushing into base material powder; the two-time crushing is adopted, so that the cell wall strength of peanut shells, poplar leaves, duckweeds and the like is remarkably reduced on the basis of no loss of nutritional ingredients, the wall breaking rate is improved, absorption and utilization of piglets are facilitated, and favorable conditions are provided for mixing with subsequent Chinese herbal medicine preparations and probiotic preparations;
step three, preparing a Chinese herbal medicine preparation: cleaning 15 parts of hawthorn, 10 parts of black beans, 10 parts of dried orange peel, 9 parts of liquorice, 8 parts of paulownia flower, 8 parts of dwarf lilyturf tuber, 2 parts of honeysuckle, 2 parts of garlic, 2 parts of moxa powder, 2 parts of acanthopanax and 2 parts of Chinese pine, naturally drying the materials in the air, adding the materials into a pulverizer, and pulverizing the materials into 100 meshes to prepare Chinese herbal medicine mixed powder; mixing the Chinese herbal medicine mixed powder with an ethanol solution according to a mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 80-90 ℃ for 2h to obtain a primary extract; squeezing and filtering the primary extract to obtain filtrate A and filter residue; mixing the filter residue with an ethanol solution according to the mass-volume ratio of 1 g: mixing 8mL of the extract, and extracting at 90 ℃ for 1.5h to obtain a secondary extract; then squeezing and filtering the secondary extract, and collecting filtrate B; mixing the filtrate A and the filtrate B to obtain filtrate C, concentrating the mixed filtrate C, and drying to obtain powdery Chinese medicinal extract; the volume percentage concentration of the ethanol solution is 100%, and the concentrated Chinese herbal medicine effective components are arranged at the position, so that the ethanol solution can be more fully mixed with the base material, the resistance of piglets to diseases is improved, especially the diarrhea is prevented and relieved, and the growth and development of the piglets are promoted;
step four, preparing the probiotic preparation: weighing bifidobacteria, bacillus subtilis and active dry yeast according to the proportion, uniformly mixing, adding xylanase, lactic dehydrogenase, pepsin and trypsin, and uniformly mixing to obtain a probiotic preparation;
step five, mixing materials: uniformly mixing the base material powder in the step two, the powdery traditional Chinese medicine extract in the step three and the probiotic preparation in the step four, and granulating to obtain the pig feed additive;
the coarse material crushed in the step one is 140 meshes, and the autoclaving time is controlled to be 25 minutes.
And the particle size of the base material powder in the second step is 50 microns.
And stirring the bifidobacterium, the bacillus subtilis and the active dry yeast at the low speed of 35 ℃ for 5 hours to be uniformly mixed, wherein the stirring speed is 55r/min, heating to 65 ℃, continuously stirring, cooling to 50 ℃, adding the xylanase, the lactate dehydrogenase, the pepsin and the trypsin, and stirring to obtain the probiotic preparation.
Experiment of
Experimental methods
120 healthy weaned piglets were selected and randomly divided into 4 groups of 30 piglets each. The following feeds were fed separately for each group:
group 1: the feed additive described in example 1 was mixed with a basal ration, the ratio of the feed additive in the basal ration being: 10 wt%;
and 2, group: the feed additive described in example 2 was mixed with a basal ration, the ratio of the feed additive in the basal ration being: 6 wt%;
and 3, group: the feed additive described in example 3 was mixed with a basal ration, the ratio of the feed additive in the basal ration being: 2 wt%;
control group: basal ration;
before the test, fasting weighing is carried out, and feed intake, weight gain and diarrhea rate are calculated. In this example, the basic ration comprises: 45% of corn flour, 10% of millet (sorghum rice), 6% of wheat bran, 20% of bean cake, 4% of white sugar, 5% of fish meal, 4% of salt, 5% of fermented bean pulp and 1% of bone meal.
2. Feeding management:
the pigsty is disinfected conventionally, and the pigs are fed by adopting high bed leaks, so that the pigs can eat and drink water freely.
3. Sample collection and detection index
The pigs were weighed on an empty stomach in the morning of day 14 of the test period and the average weight gain of the pigs was calculated; average feed intake and diarrhea rate per group per day during the trial period were recorded.
4. Test results and discussion
The effect of the feed additive on the 14-day production performance of piglets is as follows:
treatment of | Initial weight (KG) | Terminal weight (KG) | Average feed intake (g/day/head) | Diarrhea Rate (%) |
Control group | 5.60 | 8.41 | 240 | 7.21 |
Experimental group 1 | 5.58 | 8.68 | 265 | 2.23 |
Experimental group 2 | 5.62 | 8.73 | 275 | 1.96 |
Experimental group 3 | 5.67 | 8.62 | 250 | 2.35 |
As can be seen from the table, the piglets of the experimental groups 1 to 3 fed by the feed additive provided by the invention have significantly better feed intake, weight gain and diarrhea control rate than the control group within 14 days. The feed additive can obviously improve the intestinal development and health of piglets, relieve the stress of the piglets, effectively improve the feed intake and promote the fattening. The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (8)
1. A pig feed additive is characterized in that: the feed additive comprises the following raw material components in parts by weight: 10-20 parts of peanut shell, 2-6 parts of poplar leaf, 2-5 parts of duckweed, 2-5 parts of purslane, 2-5 parts of Chinese yam, 1-3 parts of Chinese herbal medicine preparation, 0.1-0.2 part of vitamin E, 0.10-0.14 part of lysine, 0.10-0.12 part of probiotic preparation, 0.08-0.10 part of beta-carotene and 0.05-0.08 part of biotin.
2. The pig feed additive of claim 1, wherein: the Chinese herbal medicine preparation comprises the following raw material components in parts by weight: 6-15 parts of hawthorn, 5-10 parts of black beans, 5-10 parts of dried orange peel, 2-9 parts of liquorice, 3-8 parts of paulownia flower, 2-8 parts of dwarf lilyturf tuber, 1-2 parts of honeysuckle, 1-2 parts of garlic, 1-2 parts of wormwood powder, 1-2 parts of acanthopanax and 1-2 parts of Chinese pine.
3. The pig feed additive of claim 1, wherein: the probiotic preparation comprises bifidobacterium, bacillus subtilis, active dry yeast and an enzyme preparation; the weight ratio of the bifidobacteria to the bacillus subtilis to the active dry yeast to the enzyme preparation is 3:2:1: 30.
4. The pig feed additive of claim 3, wherein: the enzyme preparation comprises xylanase, lactate dehydrogenase, pepsin and trypsin; the weight ratio of the xylanase, the lactate dehydrogenase, the pepsin and the trypsin is 2:1.5:6: 5.
5. A method for producing a pig feed additive according to any one of claims 1 to 4, wherein: the method comprises the following steps:
step one, crushing: cleaning and drying peanut shells, poplar leaves, duckweed, purslane and Chinese yam, weighing the raw materials according to the mass of the raw materials, putting the peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam into a feed grinder, grinding the raw materials into coarse materials, and putting the coarse materials into an autoclave for sterilization;
step two, preliminary mixing: placing the sterilized peanut shells, the poplar leaves, the duckweed, the purslane and the Chinese yam coarse material into a mixer for mixing, then placing the mixed coarse material and vitamins, lysine, beta-carotene and biotin of the raw material components into a crusher for secondary crushing, and crushing into base material powder;
step three, preparing a Chinese herbal medicine preparation: cleaning, air drying and pulverizing the raw materials of the Chinese herbal medicine preparation, and extracting to obtain a Chinese herbal medicine extract;
step four, preparing the probiotic preparation: weighing bifidobacterium, bacillus subtilis and active dry yeast, uniformly mixing, adding xylanase, lactate dehydrogenase, pepsin and trypsin, and uniformly mixing to obtain a probiotic preparation;
step five, mixing materials: and (3) uniformly mixing the base material powder in the step (II), the traditional Chinese medicine extract in the step (III) and the probiotic preparation in the step (IV), and granulating to obtain the pig feed additive.
6. The method for producing a pig feed additive according to claim 5, wherein the method comprises the following steps: the coarse material crushed in the step one is 100-140 meshes, and the autoclaving time is controlled to be 15-25 minutes.
7. The method for producing a pig feed additive according to claim 5, wherein the method comprises the following steps: the particle size of the base powder in the second step is 20-50 μm.
8. The method for producing a pig feed additive according to claim 5, wherein the method comprises the following steps: and stirring the bifidobacterium, the bacillus subtilis and the active dry yeast at the low speed of 32-35 ℃ for 3-5h, uniformly mixing at the stirring speed of 50-55r/min, heating to 55-65 ℃, continuously stirring, cooling to 40-50 ℃, adding xylanase, lactate dehydrogenase, pepsin and trypsin, and stirring to obtain the probiotic preparation.
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