CN111449177A - Laying hen premix, preparation method thereof and complete feed - Google Patents
Laying hen premix, preparation method thereof and complete feed Download PDFInfo
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- CN111449177A CN111449177A CN202010317869.4A CN202010317869A CN111449177A CN 111449177 A CN111449177 A CN 111449177A CN 202010317869 A CN202010317869 A CN 202010317869A CN 111449177 A CN111449177 A CN 111449177A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
- A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
- A23K10/38—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material from distillers' or brewers' waste
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/174—Vitamins
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/189—Enzymes
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/30—Oligoelements
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- 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
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- 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
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Abstract
The invention discloses a premix for laying hens in an egg producing period, a preparation method thereof and a complete feed; the composite material comprises the following raw materials in parts by weight: 15-25 parts of compound vitamin, 5-10 parts of compound trace element, 150-250 parts of compound amino acid, 3-8 parts of enzyme preparation, 150-220 parts of mineral raw material, 180-250 parts of energy raw material and 100-300 parts of carrier; also discloses a preparation method of the laying hen premix and a complete feed formula. The premix is particularly suitable for laying hens in an egg laying peak period, solves the technical problems of high egg breakage rate and poor egg quality of the laying hens caused by unbalanced nutrition, and improves the eggshell quality and the egg yolk chroma.
Description
Technical Field
The invention relates to the technical field of poultry feed, in particular to complete feed and premix for laying hens in an egg producing period and a preparation method thereof.
Background
Laying hen breeding is an important component of livestock husbandry in China, in 2019, 14 hundred million laying hens are bred in China, and the number of the laying hens fed is the first in the world. The laying hen industry in China enters a leap-forward era, the laying hen breeding scale tends to large-scale breeding, and only a few laying hens are bred in one field at the present stage, and the number of the laying hens is as high as hundreds of thousands. The cost of raising the laying hens is high along with the increasing of the feed raw materials and the labor cost; meanwhile, with the change of egg consumption concept of people, the requirements on the quality of egg products are higher and higher, especially on the color of yolk.
According to statistics, the animal breeding cost is 60-70% due to the feed cost. Under the condition of certain quality of laying hens, breeding environment and breeding management, the high-quality reasonable premix and the complete feed formula are key points for improving the quality of eggs, saving breeding cost and improving breeding benefit. According to the Chinese feed industry information network-footage feed report, the influence of poor eggshell quality and high egg distortion rate on the feeding benefit is particularly prominent; the abnormal egg rate of eggs in certain laying hen farms with poor feed is about 15 percent; the deformed eggs not only influence the selling price of the eggs, but also cause the eggs to have poor eggshell quality, and the breakage rate to be as high as 10 percent in the operation links of classification, packaging, transportation, storage, processing and the like; the price and quality of the eggs are seriously influenced by the broken eggs and the deformed eggs.
In the egg-laying hens which are intensively cultured, due to certain limitations of the feed quality and the activity range, especially in the egg-laying peak period of the egg-laying hens, the generation of deformed eggs and shell-broken eggs is further aggravated by unreasonable feed supply, and meanwhile, the laying rate and the egg weight are reduced, and the color of egg yolks is influenced; and the continuous and unreasonable feed can reduce the body constitution and disease resistance of the laying hens and reduce the egg producing period of the laying hens.
Therefore, the improvement of the quality of the eggshells and the quality of the eggs by improving the formula of the premix and the complete feed is the pursuit target of the contemporary laying hen breeding industry.
Disclosure of Invention
The invention aims to provide a complete feed for laying hens in an egg laying period, a premix and a preparation method thereof, and the premix is particularly suitable for laying hens in an egg laying peak period so as to solve the technical problems of high egg breakage rate and poor egg quality of the laying hens caused by unbalanced nutrition.
In order to solve the technical problems, the invention adopts the following technical scheme:
designing a laying hen premix which comprises the following raw materials in parts by weight:
15-25 parts of compound vitamin, 5-10 parts of compound trace element, 150-250 parts of compound amino acid, 3-8 parts of enzyme preparation, 150-260 parts of mineral raw material, 230-270 parts of energy raw material and 100-300 parts of first carrier;
the compound vitamin is prepared from the following raw materials in parts by weight:
6-20 parts of 40-60 ten thousand units of vitamin A and 40-60 ten thousand units of vitamin D33-8 parts of vitamin E25-55 parts of vitamin K32.5 to 4.6 parts of vitamin B11.5-3 parts of vitamin B23-8 parts of vitamin B61-4 parts of vitamin B121-3 parts of nicotinamide, 20-35 parts of nicotinamide, 0.5-1.5 parts of folic acid, 3-5 parts of biotin, 500-580 parts of choline, 100-150 parts of vitamin C and 100-300 parts of a second carrier;
the composite trace elements are composed of the following raw materials in parts by weight:
250-450 parts of 25% copper sulfate, 65-90 parts of glycine iron, 78-100 parts of 31.8% manganese sulfate, 269-350 parts of glycine zinc, 75-100 parts of 5% calcium iodate, 21-30 parts of yeast selenium and 100-300 parts of a third carrier;
the energy raw material comprises the following raw materials in parts by weight: 140-160 parts of fully-puffed palm meal and 90-110 parts of fully-puffed flaxseed.
Preferably, the enzyme preparation comprises 4-6 parts by weight of glucose oxidase. The glucose oxidase has multiple functions of inhibiting mildew, detoxifying, enhancing immunity, protecting liver, detoxifying, promoting digestion and the like, and is used for replacing part of antibiotics in an antibiotic prevention program and feed.
Preferably, the compound amino acid is prepared from the following raw materials in parts by weight: 10-25 parts of lysine, 2-6 parts of threonine and 10-25 parts of methionine.
Preferably, the mineral raw materials comprise the following raw materials in parts by weight: 100-250 parts of calcium hydrophosphate and 30-50 parts of salt.
Preferably, the preparation method of the fully-puffed palm meal comprises the following steps: the palm skin is crushed and then is puffed by a wet method, wherein the puffing temperature is 145-155 ℃, and the puffing time is 115-125 seconds. The palm oil contained in the puffed palm meal can effectively improve the chroma of the yolk, and is an effective and safe natural pigment source.
Preferably, the preparation method of the fully puffed flaxseed comprises the following steps: the flaxseed is prepared by crushing flaxseeds and then puffing by a wet method, wherein the puffing temperature is 145-155 ℃, and the puffing time is 115-125 seconds.
By adding the fully-puffed palm meal and the puffed linseed into the premix, the high-quality fat source in the premix is fully utilized, so that the problem of unstable fat source in the breeding process of laying hens can be solved, the contents of palm oil and natural β -carotene in the product can be effectively increased, and the premix is used for improving the yolk chroma of the product and improving the nutritional value of the product.
The first carrier, the second carrier and the third carrier can be carrier materials acceptable in the field of poultry feed such as rice hull powder and bran.
The preparation method of the laying hen premix comprises the following steps:
1) firstly, uniformly mixing an energy raw material and a carrier and then packaging;
2) respectively and uniformly mixing the compound vitamin, the compound trace element, the compound amino acid, the mineral raw material and the mixture obtained in the step 1); adding enzyme preparation, and homogenizing.
Preferably, in any one of the steps 1) to 2), cleaning and impurity removal are combined.
Preferably, the coefficient of variation of the mixture in any one of the steps 1) to 2) is less than or equal to 5.
A complete feed for laying hens in an egg producing period is prepared from the following raw materials in parts by weight:
450-700 parts of corn, 10-30 parts of sesame meal, 130-250 parts of soybean meal, 10-80 parts of DDGS (distillers dried grains with solubles), 80-110 parts of stone powder and 45-55 parts of the premix.
The invention starts from the aspect of improving the quality of eggs and the quality of eggshells, for example, the full-puffed palm meal and the puffed linseed with high protein content are added, so that the use amount of high-quality protein of full-price feed can be saved, the palatability of the feed is improved, the oil content is higher because the non-deoiling puffing is adopted during processing, the fat content is higher than that of common palm meal, and the palm meal contains richer palm oil and natural β -carotene, the β -carotene can be converted into vitamin A in bodies of laying hens, the integrity of epithelial tissue cells is maintained, the bone development and the health of reproductive systems are promoted, the egg yolk degree of egg products is improved, the nutritional value of the egg products is improved, the natural vitamin E and the tocotrienol contained in the puffed linseed have the effects of resisting oxidation, protecting the liver, promoting the secretion of sex hormones and the like, the egg laying rate is improved, partial organic polyminerals are used for replacing the inorganic polyminerals in the formula, the absorption rate is increased, the use amount of the inorganic polyminerals is reduced, the quality of the eggshells is improved, the egg yolk color is improved, and the nutritional value of the egg products is improved fundamentally under the synergistic effect of the main health.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the invention provides a premix suitable for laying hens in an egg producing period and a complete feed thereof, which are prepared by optimizing, proportioning and combining, and the quality of laying eggs is adjusted and improved from multiple aspects of a machine body by utilizing the cooperation principle of all raw materials.
2. The laying hen premix of the invention adopts a method of premixing twice and then mixing with a carrier, thereby effectively ensuring the mixing uniformity of various raw materials in the feed.
3. The fully-puffed palm meal and the puffed linseed can effectively reduce the use amount of high-quality protein of a complete feed, improve the eggshell quality and the yolk color and improve the nutritional value of eggs; meanwhile, the method is beneficial to improving the fatty liver condition of the laying hens in the later period, prolonging the laying period of the laying hens and increasing the breeding benefit of the laying hens. By replacing inorganic multi-ore with part of organic multi-ore, the absorption rate of the multi-ore is increased, the use amount of the inorganic multi-ore is reduced, the eggshell quality is improved, and the environmental pollution is reduced.
Detailed Description
The following examples are given to illustrate specific embodiments of the present invention, but the following examples are only intended to illustrate the present invention in detail and do not limit the scope of the present invention in any way.
The instruments and devices referred to in the following examples are conventional instruments and devices unless otherwise specified; the related industrial raw materials are all conventional feed raw materials sold in the market if not specifically stated; the related processing and manufacturing methods, detection and preparation methods are all conventional methods if no special description is provided.
Example 1: complete feed for laying hens in egg producing period
The complete feed comprises the following raw materials in parts by weight: 600 parts of corn, 20 parts of sesame meal, 155 parts of soybean meal, 70 parts of DDGS, 100 parts of stone powder and 50 parts of laying hen premix in an egg laying period.
The laying hen premix comprises the following raw materials in parts by weight: 20 parts of compound vitamin, 8 parts of compound trace element, 100 parts of compound amino acid, 4 parts of enzyme preparation, 225 parts of mineral raw material, 250 parts of energy raw material and 238 parts of rice hull powder.
The compound vitamin comprises the following raw materials in parts by weight: 6.5 parts of 50 ten thousand units of vitamin A and 50 ten thousand units of vitamin D35 parts of vitamin E42 parts of vitamin K33.2 parts of vitamin B11.6 parts of vitamin B23.8 parts of vitamin B62.7 parts of vitamin B121.5 parts, 27 parts of nicotinamide, 0.8 part of folic acid, 3.5 parts of biotin, 550 parts of choline, 130 parts of vitamin C and 222.4 parts of rice hull powder.
The composite trace elements comprise the following raw materials in parts by weight: CuSO4·5H2220 parts of O, 65 parts of glycine iron and MnSO4·H2O83 parts, zinc glycinate 304 parts, calcium iodate 82 parts, yeast selenium 24 parts and bran 222 parts.
The compound amino acid is composed of the following raw materials in parts by weight: 25 parts of lysine, 5 parts of threonine and 25 parts of methionine.
Enzyme preparation: 4 parts of glucose oxidase; mineral raw materials: 180 parts of calcium hydrophosphate and 45 parts of sodium chloride.
Energy raw materials: 150 parts of fully-puffed palm meal and 100 parts of fully-puffed flaxseed.
The preparation method of the laying hen premix comprises the following steps:
1) cleaning and removing impurities from the components of the premix;
2) uniformly mixing the energy raw material and the carrier;
3) respectively and uniformly mixing the compound vitamin, the compound trace element, the compound amino acid, the mineral raw material and the mixture obtained in the step 2); adding enzyme preparation, and mixing.
Example 2:
the difference from example 1 is that:
the laying hen premix in the egg producing period consists of the following raw materials in parts by weight:
20 parts of compound vitamin, 8 parts of compound trace element, 100 parts of compound amino acid, 4 parts of enzyme preparation, 225 parts of mineral raw material, 260 parts of energy raw material and 228 parts of rice hull powder.
The compound vitamin comprises the following raw materials in parts by weight: 6.8 parts of 50 ten thousand units of vitamin A and 50 ten thousand units of vitamin D35 parts of vitamin E42 parts of vitamin K33.2 parts of vitamin B11.8 parts of vitamin B23.9 parts of vitamin B62.7 parts of vitamin B121.5 parts, 27 parts of nicotinamide, 0.8 part of folic acid, 3.5 parts of biotin, 550 parts of choline, 130 parts of vitamin C and 221.8 parts of rice hull powder.
The composite trace elements comprise the following raw materials in parts by weight: CuSO4·5H2O218 parts, glycine iron 60 parts, MnSO4·H2O82 parts, zinc glycinate 302 parts, calcium iodate 81 parts, yeast selenium 22 parts and bran 209 parts.
The compound amino acid is composed of the following raw materials in parts by weight: 23 parts of lysine, 5 parts of threonine and 27 parts of methionine.
Enzyme preparation: 4 parts of glucose oxidase; mineral raw materials: 180 parts of calcium hydrophosphate and 45 parts of salt.
Energy raw materials: 155 parts of fully-puffed palm meal and 105 parts of fully-puffed flaxseed.
Example 3
The difference from example 1 is that:
the laying hen premix in the egg producing period consists of the following raw materials in parts by weight:
20 parts of compound vitamin, 8 parts of compound trace element, 100 parts of compound amino acid, 4 parts of enzyme preparation, 380 parts of mineral raw material, 270 parts of energy raw material and 208 parts of carrier.
The compound vitamin comprises the following raw materials in parts by weight: 6.5 parts of 50 ten thousand units of vitamin A and 50 ten thousand units of vitamin D35.5 parts of vitamin E44 parts of vitamin K33.7 parts of vitamin B11.6 parts of vitamin B23.8 parts of vitamin B62.7 parts of vitamin B121.5 parts, 27 parts of nicotinamide, 0.8 part of folic acid, 3.5 parts of biotin, 550 parts of choline, 130 parts of vitamin C and 219.4 parts of rice hull powder.
Composite trace elementsThe composite material is prepared from the following raw materials in parts by weight: CuSO4·5H2O220 parts, glycine iron 72 parts, MnSO4·H2O83 parts, zinc glycinate 304 parts, calcium iodate 82 parts, selenium yeast 25 parts and bran 214 parts.
The compound amino acid is composed of the following raw materials in parts by weight: 23 parts of lysine, 5 parts of threonine and 24 parts of methionine.
Enzyme preparation: 4 parts of glucose oxidase; mineral raw materials: 180 parts of calcium hydrophosphate and 45 parts of salt.
Energy raw materials: 160 parts of full-puffed palm meal and 110 parts of full-puffed flaxseed.
Examples of effects
And (3) experimental design: 1600 helan brown shell laying hens with good health status and similar laying rate at 40 weeks are taken in the test, and are randomly divided into 4 treatment groups, namely a control group, a treatment group 1, a treatment group 2 and a treatment group 3, wherein each group is divided into 4 repetitions, and each repetition is 100 chickens; the control group feeding diet is complete feed prepared according to a commercial premix recommended nutrition formula, and the treatment groups 1-3 are prepared according to the premix formula in the examples 1-3; control premix was purchased from 5% premix, code 3837, of Henan Hongyao Biotechnology Ltd. The temperature and the feeding management of the henhouse during the test period are carried out according to the manual of feeding management of the Hailan brown shell laying hens; the specific complete feed formula is shown in table 1:
the test time was: 3, 10 months to 4 months and 10 days in 2019; test site: wu\38495, county Conbo family farm.
Test results and analysis
1. The malformed egg rate of the premix to the Hailan brown shell laying hens
As can be seen from Table 2, the treatment groups 1 to 3 showed that the abnormal egg rate gradually decreased after the premix of the present invention was fed theretoUntil the sixth week, the malformed egg rate is reduced to 6.24-8.92%, and the malformed egg rate is reduced by 5.42% -6.82%; compared with the control group, the abnormal egg rate of the treatment group 1, the treatment group 2 and the treatment group 3 is respectively reduced by 6.82, 6.42 and 6.99 percent when the premix and the formula are fed, and the difference is very obvious compared with the control group (1.99 percent) ((P< 0.01),; the feed premix of the invention can obviously reduce the malformed egg rate of laying hens.
2. The premix of the invention has the egg laying rate on the Hailan brown-shell laying hens
As can be seen from Table 3, compared with a control group, the laying rate of the laying hens is greatly influenced by feeding the premix provided by the invention, the laying rate can be improved by 1.8-2.1%, compared with the control group, the difference is extremely obvious (P is less than 0.01), and the laying rate of the laying hens can be obviously improved.
3. Influence of premix of the invention on the specific gravity of eggs with eggs having eggs with eggs of Hailan brown shells
As can be seen from Table 4, the specific gravity of eggs laid by the laying hens fed with the premix of the present application can be increased by 13% to 14.5% compared with the control group, and the difference is very significant (P is less than 0.01%) compared with the control group. The specific gravity of the eggs can be obviously improved by feeding the premix of the invention.
4. Influence of premix of the invention on the yellowness of eggs of Hailan brown-shell eggs
As can be seen from table 5, the feeding of the premix of the present application can significantly improve the yolk color compared to the control group.
The present invention is described in detail with reference to the examples above; however, it will be understood by those skilled in the art that various changes in the specific parameters of the above embodiments may be made without departing from the spirit of the invention, and a plurality of specific embodiments are formed, which are common variations of the invention and will not be described in detail herein.
Claims (10)
1. The laying hen premix is characterized by comprising the following raw materials in parts by weight:
15-25 parts of compound vitamin, 5-10 parts of compound trace element, 150-250 parts of compound amino acid, 3-8 parts of enzyme preparation, 150-260 parts of mineral raw material, 230-270 parts of energy raw material and 100-300 parts of first carrier;
the compound vitamin is prepared from the following raw materials in parts by weight:
6-20 parts of 40-60 ten thousand units of vitamin A and 40-60 ten thousand units of vitamin D33-8 parts of vitamin E25-55 parts of vitamin K32.5 to 4.6 parts of vitamin B11.5-3 parts of vitamin B23-8 parts of vitamin B61-4 parts of vitamin B121-3 parts of nicotinamide, 20-35 parts of nicotinamide, 0.5-1.5 parts of folic acid, 3-5 parts of biotin, 500-580 parts of choline, 100-150 parts of vitamin C and 100-300 parts of a second carrier;
the composite trace elements are composed of the following raw materials in parts by weight:
CuSO4·5H2250-450 parts of O, 65-90 parts of glycine iron and MnSO4·H278-100 parts of O, 269-350 parts of zinc glycinate, 75-100 parts of calcium iodate, 21-30 parts of selenium yeast and 100-300 parts of a third carrier;
the energy raw material comprises the following raw materials in parts by weight:
140-160 parts of fully-puffed palm meal and 90-110 parts of fully-puffed flaxseed.
2. The premix for laying hens in an egg laying period according to claim 1, wherein the enzyme preparation comprises 4-6 parts by weight of glucose oxidase.
3. The premix for laying hens in an egg producing period according to claim 1, wherein the compound amino acid is prepared from the following raw materials in parts by weight: 10-25 parts of lysine, 2-6 parts of threonine and 10-25 parts of methionine.
4. The premix for laying hens in an egg producing period according to claim 1, wherein the mineral raw materials consist of the following raw materials in parts by weight: 100-250 parts of calcium hydrophosphate and 30-50 parts of salt.
5. The premix for laying hens in an egg laying period according to claim 1, wherein the preparation method of the fully-puffed palm meal comprises the following steps:
crushing the palm skin, and then puffing by adopting a wet method; the puffing temperature is 145-155 ℃, and the puffing time is 115-125 seconds.
6. The premix for laying hens in an egg producing period according to claim 1, wherein the preparation method of the fully-puffed linseed comprises the following steps:
the flaxseed is prepared by crushing flaxseeds and then puffing by a wet method, wherein the puffing temperature is 145-155 ℃, and the puffing time is 115-125 seconds.
7. The preparation method of the premix for laying hens in an egg laying period according to claim 1, which comprises the following steps:
1) firstly, uniformly mixing an energy raw material and a carrier and then packaging;
2) respectively and uniformly mixing the compound vitamin, the compound trace element, the compound amino acid, the mineral raw material and the mixture obtained in the step 1); adding enzyme preparation, and homogenizing.
8. The preparation method of the premix for laying hens in an egg laying period according to claim 7, wherein cleaning and impurity removal are combined in any one of the steps 1) to 2).
9. The preparation method of the premix for laying hens in an egg laying period according to claim 7, wherein the coefficient of variation of the mixture in any one of the steps 1) to 2) is less than or equal to 5.
10. The complete feed for laying hens in an egg producing period is characterized by comprising the following raw materials in parts by weight: 450-700 parts of corn, 10-30 parts of sesame meal, 130-250 parts of soybean meal, 10-80 parts of DDGS (distillers dried grains with soluble), 80-110 parts of stone powder and 45-55 parts of the premix according to claim 1.
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| CN202010317869.4A CN111449177A (en) | 2020-04-21 | 2020-04-21 | Laying hen premix, preparation method thereof and complete feed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114376101A (en) * | 2021-12-29 | 2022-04-22 | 河南宏展生物科技有限公司 | Laying period premix based on new black poplar laying hens, compound feed and preparation method of premix |
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