CN111264460A - Selenium-rich laying hen breeding method - Google Patents
Selenium-rich laying hen breeding method Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
- A23K10/18—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
-
- 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
-
- 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
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
-
- 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
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
-
- 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
-
- 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
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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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- 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
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- Animal Behavior & Ethology (AREA)
- Biodiversity & Conservation Biology (AREA)
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Abstract
The invention discloses a selenium-rich laying hen breeding method, which belongs to the technical field of laying hen breeding and comprises the following steps: (1) breeding chicken selection, (2) feeding management, and (3) daily management. By adopting the selenium-rich layer chicken breeding method, the resistance of the layer chicken can be improved, the addition of antibiotic medicines is avoided, and the bred layer chicken is rich in selenium and reaches the standard of green breeding.
Description
Technical Field
The invention relates to the field of poultry breeding, in particular to a selenium-rich laying hen breeding method.
Background
The laying hens are chickens which are fed with special raw eggs to supply eggs, and different from meat chickens, the main consideration of feeding the laying hens is how to improve the quality and the egg yield of the eggs. The laying hen feeding mainly considers the problems of living environment, feed supply, drinking water and disease prevention and control. With the improvement of living standard of people, the variety of laying hens is more and more, the traditional single laying hen can not meet the requirements of people far, and in recent years, the selenium-rich eggs become a thin and popular variety on a dining table, so the breeding technology of the selenium-rich laying hens is developed gradually.
The most critical factors of egg laying of the laying hens are mainly external environment factors and internal factors of the breeding hens, wherein the external environment factors comprise changes of temperature, humidity, illumination and living environment; the internal factors mainly include the daily ration nutrition level of the hens before and during egg laying, the health conditions of the laying hens and the like, the breeding technology of the laying hens is mature day by day along with the rapid development of the breeding industry, most farmers adopt a captive breeding mode, and the laying hens are easy to be unsuitable for external environment change and reduce egg laying due to the fact that captive breeding of laying hens is caused by the fact that external factors such as unsmooth ventilation, temperature and humidity are changed rapidly. In addition, the egg laying amount and the egg laying period of the laying hens are closely related to the quality of the feed, and the nutritional level and the conversion and absorption level of the feed are very critical to the nutritional supplement of the laying hens. With the continuous development of the chicken industry, the requirements on feed are higher and higher, the feed formula in the existing market is unreasonable, the growth requirements of laying hens cannot be met, the feeding effect is not ideal, and with the increasing of animal diseases, a large amount of antibiotics are added into the existing feed for preventing and treating the diseases of the animals and promoting the growth of the animals, but the antibiotics can prevent and treat the diseases of the animals and can generate drug resistance for the animals after long-term use, so the existing laying hen breeding technology needs to be improved.
Disclosure of Invention
The invention aims to overcome the technical defects and provide the selenium-rich layer chicken breeding method which can improve the resistance of layer chicken, avoid the addition of antibiotic medicines, and ensure that the bred layer chicken is rich in selenium and reaches the standard of green breeding.
The technical scheme for realizing the invention is as follows: a selenium-rich laying hen breeding method comprises the following steps:
(1) selecting breeding hens: selecting chicks with consistent body size and good health condition as breeding hens, and well performing an immunization program; after the age of the breeding hens reaches 6-7 weeks, the breeding hens are put into a layer chicken breeding cage for breeding, and the occupied area of each breeding hen is 0.25-0.3m2The density of (2) is put;
(2) feeding management: feeding the bred chickens with feed 2-3 times per day before egg laying; feeding a mixture of a bred chicken feed and an egg laying feed one to two weeks before egg laying, wherein the bred chicken feed and the egg laying feed are fed according to the weight ratio of 1: 1; after laying eggs, feeding egg laying materials to ensure that the laying hens feed freely and the free drinking water of the laying hens is ensured;
wherein the chicken breeding feed comprises: puffed corn, puffed soybean meal, straw powder, blood cell protein powder, black sesame cake, fish meal, monocalcium phosphate, cellulase, selenium-enriched yeast, composite vitamins, trace elements, choline, probiotics and a traditional Chinese medicine additive;
the laying hen feed comprises: corn flour, bean pulp, black peanut cake, black sesame cake, wheat bran, fish meal, bone meal, monocalcium phosphate, sodium selenate, compound vitamins, compound amino acids, trace elements, choline, compound enzyme, probiotics and a traditional Chinese medicine additive;
(3) daily management: strictly controlling the temperature, humidity and illumination in the henhouse to ensure the circulation of air in the henhouse; controlling the temperature of the henhouse to be 18-25 ℃ and the relative humidity to be 50-70% at the stage that the chicken age is 7-14 weeks; after 14 weeks, controlling the ambient temperature to be 15-25 ℃, controlling the relative humidity to be 60-80%, and giving appropriate illumination; the henhouse is disinfected regularly, and the immunization and epidemic prevention work of the laying hens is well done.
Preferably: the bred chicken feed comprises the following raw materials in parts by weight: 70-80 parts of expanded corn, 20-30 parts of expanded soybean meal, 10-20 parts of straw powder, 20-30 parts of blood cell protein powder, 10-20 parts of black sesame cake, 10-15 parts of fish meal, 5-10 parts of monocalcium phosphate, 3-6 parts of cellulase, 1-3 parts of selenium-enriched yeast, 3-5 parts of composite vitamin, 1-3 parts of trace element, 1-2 parts of choline, 1-2 parts of probiotics and 1-2 parts of traditional Chinese medicine additive;
preferably: the laying hen feed comprises the following raw materials in parts by weight: 60-80 parts of corn flour, 20-30 parts of soybean meal, 20-30 parts of black peanut cake, 20-30 parts of black sesame cake, 10-20 parts of wheat bran, 10-15 parts of fish meal, 10-15 parts of bone meal, 10-15 parts of monocalcium phosphate, 0.5-1 part of sodium selenate, 1-3 parts of compound vitamin, 3-6 parts of compound amino acid, 0.5-1 part of microelement, 1-2 parts of choline, 3-5 parts of compound enzyme, 1-2 parts of probiotics and 1-2 parts of traditional Chinese medicine additive.
Preferably: the probiotics include the following probiotics: lactobacillus, bifidobacterium, saccharomycetes, clostridium butyricum and bacillus subtilis; wherein the strain activity of lactobacillus is 1x1010CFU/g, the strain activity of Bifidobacterium is 2x1010CFU/g; the strain activity of the yeast is 3x1010CFU/g, the strain activity of clostridium butyricum is 2x1010CFU/g; the strain activity of the bacillus subtilis is 2x1010CFU/g。
The probiotics in the invention are nontoxic and harmless substances, the formula of the product does not contain biological hormone and chemical preparations, the product belongs to a green pure biological product, and the laying hens are safe to eat. The addition of the probiotics to the feed has the following effects and advantages: the immunity and disease resistance of the laying hens are greatly improved, and the death rate of the laying hens can be reduced; reduce the feed-egg ratio and improve the daily gain of the laying hens.
Preferably: the traditional Chinese medicine additive comprises the following raw materials in parts by weight: 15 parts of astragalus, 15 parts of sophora flavescens, 25 parts of sweet wormwood herb, 20 parts of pinellia ternate, 25 parts of isatis root and 15 parts of bletilla striata.
In the traditional Chinese medicine additive, the compatibility of various raw materials is scientific, the compound Chinese herbal medicine consists of various Chinese herbal medicines and contains various functional components, and meanwhile, the various Chinese herbal medicines have good coordination effect, so that the immunity of the laying hens can be effectively improved, the morbidity of the laying hens can be effectively reduced, and the traditional Chinese medicine additive can replace the use of antibiotics and other medicines in the feed, so that the use of antibiotics and the like in the feed is avoided.
Preferably, the straw powder is one or more of black peanut, black sesame or garlic straw.
Preferably: in the step (3), the regular disinfection of the henhouse comprises the disinfection of the henhouse and the hencoop; the henhouse and the coop are alternately carried out by 0.5 to 1 percent of potassium permanganate solution or 3 to 5 percent of lime water for 1 to 2 times per week.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, the layer chicken is fed with the feed in a segmented manner, and the feed is mixed and transited in the middle, so that the inadaptation of the layer chicken to the sudden change of the feed is reduced; most of the components added into the feed are substances rich in selenium, such as black peanut cakes, black sesame cakes and straw powder, the straw powder is one or more of black peanut, black sesame or garlic straw, the substances are plant waste materials rich in selenium, and the substances are added into the feed, so that the selenium source can be supplemented for chickens; 2. by adding the traditional Chinese medicine additive into the feed, the resistance of the laying hens can be enhanced, the morbidity is reduced, and antibiotic medicines are replaced, so that no medicine residue and no hormone exist in the laying hens, and the laying hens meet the requirement of green breeding; 3. the probiotics are added into the feed, so that the immunity and disease resistance of the laying hens can be greatly improved, and the death rate of the laying hens can be reduced; reduce the feed-egg ratio and improve the daily gain of the laying hens. The method adopts the regulation of various factors such as external temperature, humidity, illumination and the like which accord with the egg laying process of the laying hens, provides a good growth environment for the laying hens, and improves the egg yield.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, it should be noted that: the powders of lactic acid bacteria, bifidobacteria, yeasts, Clostridium butyricum and Bacillus subtilis of the following examples 1 to 3 were all selected from commercially available ones, and no special cultivation was performed thereon.
Example 1
A selenium-rich laying hen breeding method comprises the following steps:
(1) selecting breeding hens: selecting chicks with consistent body size and good health condition as breeding hens, and well performing an immunization program; after the age of the breeding hens reaches 6-7 weeks, the breeding hens are put into a layer chicken breeding cage for breeding, and the occupied area of each breeding hen is 0.25-0.3m2The density of (2) is put;
(2) feeding management: feeding the bred chickens with feed 2-3 times per day before egg laying; feeding a mixture of a bred chicken feed and an egg laying feed one to two weeks before egg laying, wherein the bred chicken feed and the egg laying feed are fed according to the weight ratio of 1: 1; after laying eggs, feeding egg laying materials to ensure that the laying hens feed freely and the free drinking water of the laying hens is ensured;
the chicken raising feed comprises the following raw materials in parts by weight: 70 parts of puffed corn, 20 parts of puffed soybean meal, 10 parts of straw powder, 20 parts of blood cell albumen powder, 10 parts of black sesame cake, 10 parts of fish meal, 5 parts of monocalcium phosphate, 3 parts of cellulase, 1 part of selenium-enriched yeast, 3 parts of composite vitamin, 1 part of microelement, 1 part of choline, 1 part of probiotics and 1 part of traditional Chinese medicine additive; the straw powder of the embodiment is one or more of black peanut, black sesame or garlic straw;
the laying hen feed comprises the following raw materials in parts by weight: 60 parts of corn flour, 20 parts of soybean meal, 20 parts of black peanut cake, 20 parts of black sesame cake, 10 parts of wheat bran, 10 parts of fish meal, 10 parts of bone meal, 10 parts of monocalcium phosphate, 0.5 part of sodium selenate, 1 part of compound vitamin, 3 parts of compound amino acid, 0.5 part of microelement, 1 part of choline, 3 parts of compound enzyme, 1 part of probiotics and 1 part of traditional Chinese medicine additive;
the probiotics include the following probiotics: lactobacillus, bifidobacterium, saccharomycetes, clostridium butyricum and bacillus subtilis; wherein the strain activity of lactobacillus is 1x1010CFU/g, the strain activity of Bifidobacterium is 2x1010CFU/g; the strain activity of the yeast is 3x1010CFU/g, the strain activity of clostridium butyricum is 2x1010CFU/g; the strain activity of the bacillus subtilis is 2x1010CFU/g；
The traditional Chinese medicine additive comprises the following raw materials in parts by weight: 15 parts of astragalus, 15 parts of sophora flavescens, 25 parts of sweet wormwood herb, 20 parts of pinellia ternate, 25 parts of isatis root and 15 parts of bletilla striata, and the preparation method comprises the steps of drying various traditional Chinese medicinal materials and then crushing the dried traditional Chinese medicinal materials into powder;
(3) daily management: strictly controlling the temperature, humidity and illumination in the henhouse to ensure the circulation of air in the henhouse; controlling the temperature of the henhouse to be 18-25 ℃ and the relative humidity to be 50-70% at the stage that the chicken age is 7-14 weeks; after 14 weeks, controlling the ambient temperature to be 15-25 ℃, controlling the relative humidity to be 60-80%, and giving appropriate illumination; the henhouse is disinfected regularly, and the immunization and epidemic prevention work of the laying hens is well done. Wherein the regular disinfection of the henhouse comprises the disinfection of the henhouse and the hencoop; the henhouse and the coop are alternately carried out by 0.5 to 1 percent of potassium permanganate solution or 3 to 5 percent of lime water for 1 to 2 times per week.
Example 2
A selenium-rich laying hen breeding method comprises the following steps:
(1) selecting breeding hens: selecting chicks with consistent body size and good health condition as breeding hens, and well performing an immunization program; after the age of the breeding hens reaches 6-7 weeks, the breeding hens are put into a layer chicken breeding cage for breeding, and the occupied area of each breeding hen is 0.25-0.3m2The density of (2) is put;
(2) feeding management: feeding the bred chickens with feed 2-3 times per day before egg laying; feeding a mixture of a bred chicken feed and an egg laying feed one to two weeks before egg laying, wherein the bred chicken feed and the egg laying feed are fed according to the weight ratio of 1: 1; after laying eggs, feeding egg laying materials to ensure that the laying hens feed freely and the free drinking water of the laying hens is ensured;
the chicken raising feed comprises the following raw materials in parts by weight: 75 parts of puffed corn, 25 parts of puffed soybean meal, 15 parts of straw powder, 25 parts of blood cell albumen powder, 15 parts of black sesame cake, 12 parts of fish meal, 8 parts of monocalcium phosphate, 4 parts of cellulase, 2 parts of selenium-enriched yeast, 2 parts of compound vitamin, 2 parts of microelement, 2 parts of choline, 2 parts of probiotics and 2 parts of traditional Chinese medicine additive; the straw powder of the embodiment is one or more of black peanut, black sesame or garlic straw;
the laying hen feed comprises the following raw materials in parts by weight: 70 parts of corn flour, 25 parts of bean pulp, 25 parts of black peanut cake, 25 parts of black sesame cake, 15 parts of wheat bran, 12 parts of fish meal, 12 parts of bone meal, 12 parts of monocalcium phosphate, 1 part of sodium selenate, 2 parts of compound vitamin, 5 parts of compound amino acid, 1 part of microelement, 2 parts of choline, 4 parts of compound enzyme, 1 part of probiotics and 2 parts of traditional Chinese medicine additive;
the probiotics include the following probiotics: lactobacillus, bifidobacterium, saccharomycetes, clostridium butyricum and bacillus subtilis; wherein the strain activity of lactobacillus is 1x1010CFU/g, the strain activity of Bifidobacterium is 2x1010CFU/g; strains of yeastThe vitality is 3x1010CFU/g, the strain activity of clostridium butyricum is 2x1010CFU/g; the strain activity of the bacillus subtilis is 2x1010CFU/g；
The Chinese medicinal additive is the same as in example 1.
(3) Daily management: strictly controlling the temperature, humidity and illumination in the henhouse to ensure the circulation of air in the henhouse; controlling the temperature of the henhouse to be 18-25 ℃ and the relative humidity to be 50-70% at the stage that the chicken age is 7-14 weeks; after 14 weeks, controlling the ambient temperature to be 15-25 ℃, controlling the relative humidity to be 60-80%, and giving appropriate illumination; the henhouse is disinfected regularly, and the immunization and epidemic prevention work of the laying hens is well done. Wherein the regular disinfection of the henhouse comprises the disinfection of the henhouse and the hencoop; the henhouse and the coop are alternately carried out by 0.5 to 1 percent of potassium permanganate solution or 3 to 5 percent of lime water for 1 to 2 times per week.
Example 3
A selenium-rich laying hen breeding method comprises the following steps:
(1) selecting breeding hens: selecting chicks with consistent body size and good health condition as breeding hens, and well performing an immunization program; after the age of the breeding hens reaches 6-7 weeks, the breeding hens are put into a layer chicken breeding cage for breeding, and the occupied area of each breeding hen is 0.25-0.3m2The density of (2) is put;
(2) feeding management: feeding the bred chickens with feed 2-3 times per day before egg laying; feeding a mixture of a bred chicken feed and an egg laying feed one to two weeks before egg laying, wherein the bred chicken feed and the egg laying feed are fed according to the weight ratio of 1: 1; after laying eggs, feeding egg laying materials to ensure that the laying hens feed freely and the free drinking water of the laying hens is ensured;
the chicken raising feed comprises the following raw materials in parts by weight: 80 parts of puffed corn, 30 parts of puffed soybean meal, 20 parts of straw powder, 30 parts of blood cell albumen powder, 20 parts of black sesame cake, 15 parts of fish meal, 10 parts of monocalcium phosphate, 6 parts of cellulase, 3 parts of selenium-enriched yeast, 5 parts of composite vitamin, 3 parts of microelement, 2 parts of choline, 2 parts of probiotics and 2 parts of traditional Chinese medicine additive; the straw powder of the embodiment is one or more of black peanut, black sesame or garlic straw;
the laying hen feed comprises the following raw materials in parts by weight: 80 parts of corn flour, 30 parts of soybean meal, 30 parts of black peanut cake, 30 parts of black sesame cake, 20 parts of wheat bran, 15 parts of fish meal, 15 parts of bone meal, 15 parts of monocalcium phosphate, 1 part of sodium selenate, 3 parts of compound vitamin, 6 parts of compound amino acid, 1 part of microelement, 2 parts of choline, 5 parts of compound enzyme, 2 parts of probiotics and 2 parts of traditional Chinese medicine additive;
the probiotics include the following probiotics: lactobacillus, bifidobacterium, saccharomycetes, clostridium butyricum and bacillus subtilis; wherein the strain activity of lactobacillus is 1x1010CFU/g, the strain activity of Bifidobacterium is 2x1010CFU/g; the strain activity of the yeast is 3x1010CFU/g, the strain activity of clostridium butyricum is 2x1010CFU/g; the strain activity of the bacillus subtilis is 2x1010CFU/g；
The Chinese medicinal additive is the same as in example 1.
(3) Daily management: strictly controlling the temperature, humidity and illumination in the henhouse to ensure the circulation of air in the henhouse; controlling the temperature of the henhouse to be 18-25 ℃ and the relative humidity to be 50-70% at the stage that the chicken age is 7-14 weeks; after 14 weeks, controlling the ambient temperature to be 15-25 ℃, controlling the relative humidity to be 60-80%, and giving appropriate illumination; the henhouse is disinfected regularly, and the immunization and epidemic prevention work of the laying hens is well done. Wherein the regular disinfection of the henhouse comprises the disinfection of the henhouse and the hencoop; the henhouse and the coop are alternately carried out by 0.5 to 1 percent of potassium permanganate solution or 3 to 5 percent of lime water for 1 to 2 times per week.
Comparative example
Experiments are carried out on the farm of the company from 12 months 1 to 12 months 1 in 2018, 100 laying hens which are similar in age of days, strong in physique and good in development are selected and randomly divided into 5 groups. The five groups were test group 1, test group 2, test group 3, control group 1 and control group 2.
Wherein test group 1, test group 2 and test group 3 were carried out according to examples 1 to 3 of the present invention; control 1 and control 2 were otherwise identical to test 1 through test 3, except that: the control group 1 was fed with 0.5% oxytetracycline based on a basal diet; control group 2 was fed basal diet only; during the test period, the chicken house and the feeding trough are cleaned and strictly disinfected according to the conventional feeding management, the laying hen seedlings expel insects, and the conventional immunization is carried out. The test period is half a year.
Table 1 shows the comparison of the effects of the present invention and the control group
| Group of | Test group 1 | Test group 2 | Test group 3 | Control group 1 | Control group 2 |
| Incidence (%) | 7.4 | 6.4 | 7.6 | 15.2 | 21.2 |
| Meat ratio of materials | 2.17 | 2.21 | 2.25 | 2.87 | 2.98 |
| Laying rate (%) | 92.3％ | 94.4％ | 95.6％ | 85.2％ | 80.9 |
Results analysis 1: the data analysis of the table 1 shows that the morbidity, feed conversion ratio and laying rate of the feed are all superior to those of the control group 1 and the control group 2; the invention has good effects in improving the organism immunity of the laying hens, promoting the growth and the egg laying of the laying hens and improving the feed reward.
In addition, eggs laid by any one group of laying hens in examples 1 to 3 of the present invention were randomly selected for selenium and protein detection, and the results obtained are shown in table 2.
Table 2 shows the results of selenium and protein detection in the eggs of the laying hens in examples 1 to 3 of the present invention
| Group of | Example 1 | Example 2 | Example 3 |
| Selenium (mg/kg) | 0.041 | 0.039 | 0.036 |
| Protein (g/100g) | 12.1 | 11.3 | 12.25 |
Results analysis 2: as can be seen from Table 2, the eggs laid by the laying hens fed by the feed are rich in selenium and protein, and have good effect on improving the quality of the eggs.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A selenium-rich laying hen breeding method is characterized by comprising the following steps:
(1) selecting breeding hens: selecting chicks with consistent body size and good health condition as breeding hens, and well performing an immunization program; after the age of the breeding hens reaches 6-7 weeks, the breeding hens are put into a layer chicken breeding cage for breeding, and the occupied area of each breeding hen is 0.25-0.3m2The density of (2) is put;
(2) feeding management: feeding the bred chickens with feed 2-3 times per day before egg laying; feeding a mixture of a bred chicken feed and an egg laying feed one to two weeks before egg laying, wherein the bred chicken feed and the egg laying feed are fed according to the weight ratio of 1: 1; after laying eggs, feeding egg laying materials to ensure that the laying hens feed freely and the free drinking water of the laying hens is ensured;
wherein the chicken breeding feed comprises: puffed corn, puffed soybean meal, straw powder, blood cell protein powder, black sesame cake, fish meal, monocalcium phosphate, cellulase, selenium-enriched yeast, composite vitamins, trace elements, choline, probiotics and a traditional Chinese medicine additive;
the laying hen feed comprises: corn flour, bean pulp, black peanut cake, black sesame cake, wheat bran, fish meal, bone meal, monocalcium phosphate, sodium selenate, compound vitamins, compound amino acids, trace elements, choline, compound enzyme, probiotics and a traditional Chinese medicine additive;
(3) daily management: strictly controlling the temperature, humidity and illumination in the henhouse to ensure the circulation of air in the henhouse; controlling the temperature of the henhouse to be 18-25 ℃ and the relative humidity to be 50-70% at the stage that the chicken age is 7-14 weeks; after 14 weeks, controlling the ambient temperature to be 15-25 ℃, controlling the relative humidity to be 60-80%, and giving appropriate illumination; the henhouse is disinfected regularly, and the immunization and epidemic prevention work of the laying hens is well done.
2. The selenium-rich laying hen breeding method according to claim 1, characterized in that: the bred chicken feed comprises the following raw materials in parts by weight: 70-80 parts of expanded corn, 20-30 parts of expanded soybean meal, 10-20 parts of straw powder, 20-30 parts of blood cell protein powder, 10-20 parts of black sesame cake, 10-15 parts of fish meal, 5-10 parts of monocalcium phosphate, 3-6 parts of cellulase, 1-3 parts of selenium-enriched yeast, 3-5 parts of composite vitamin, 1-3 parts of trace element, 1-2 parts of choline, 1-2 parts of probiotics and 1-2 parts of traditional Chinese medicine additive.
3. The selenium-rich laying hen breeding method according to claim 1, characterized in that: the laying hen feed comprises the following raw materials in parts by weight: 60-80 parts of corn flour, 20-30 parts of soybean meal, 20-30 parts of black peanut cake, 20-30 parts of black sesame cake, 10-20 parts of wheat bran, 10-15 parts of fish meal, 10-15 parts of bone meal, 10-15 parts of monocalcium phosphate, 0.5-1 part of sodium selenate, 1-3 parts of compound vitamin, 3-6 parts of compound amino acid, 0.5-1 part of microelement, 1-2 parts of choline, 3-5 parts of compound enzyme, 1-2 parts of probiotics and 1-2 parts of traditional Chinese medicine additive.
4. The selenium-rich laying hen breeding method according to any one of claims 1 to 3, characterized in that: the probiotics include the following probiotics: lactobacillus, bifidobacterium, saccharomycetes, clostridium butyricum and bacillus subtilis; wherein the strain activity of lactobacillus is 1x1010CFU/g, the strain activity of Bifidobacterium is 2x1010CFU/g; the strain activity of the yeast is 3x1010CFU/g, the strain activity of clostridium butyricum is 2x1010CFU/g; the strain activity of the bacillus subtilis is 2x1010CFU/g。
5. The selenium-rich laying hen breeding method according to any one of claims 1 to 3, characterized in that: the traditional Chinese medicine additive comprises the following raw materials in parts by weight: 15 parts of astragalus, 15 parts of sophora flavescens, 25 parts of sweet wormwood herb, 20 parts of pinellia ternate, 25 parts of isatis root and 15 parts of bletilla striata.
6. The selenium-rich laying hen breeding method according to claim 2, characterized in that: the straw powder is one or more of black peanut, black sesame or garlic straw.
7. The selenium-rich laying hen breeding method according to claim 1, characterized in that: in the step (3), the regular disinfection of the henhouse comprises the disinfection of the henhouse and the hencoop; the henhouse and the coop are alternately carried out by 0.5 to 1 percent of potassium permanganate solution or 3 to 5 percent of lime water for 1 to 2 times per week.
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