CN111011297A - Method for breeding laying hens in brood and growing periods in grading manner - Google Patents
Method for breeding laying hens in brood and growing periods in grading manner Download PDFInfo
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Classifications
-
- 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
- A23K10/30—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
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
-
- 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
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/24—Compounds of alkaline earth metals, e.g. magnesium
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Birds (AREA)
- Inorganic Chemistry (AREA)
- Environmental Sciences (AREA)
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- Physiology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
Abstract
The invention provides a method for breeding laying hens in brooding and growing periods in a grading manner, which relates to the technical field of breeding and comprises the following steps: 1) and (3) classifying the chickens: dividing the chickens into a chick group and a young chicken group according to the long birth time of the chickens; 2) grouping the chickens of the chicken group into groups by a spectral camera; 3) the chicks with different colors are measured and divided into four different groups, and 5) the young chicks are divided into four groups; 6) providing different food feeds according to different magnitude conditions and disease states; according to the invention, the high-yield laying hens are fed in a grading manner according to the heights of the laying hens and the lengths of shin bones, the graded heights can be mutually restricted, the height of the height paper is not restricted by the influence of the high-level chickens, and the high-level laying hens and the high-level paper laying hens are beneficial to the high-level laying hens and the high-level paper laying hens.
Description
Technical Field
The invention relates to the technical field of breeding, in particular to a graded breeding method for laying hens in brood and growing periods.
Background
The broiler breeding industry has the advantages of high efficiency, low cost and the like which are inherent in the broiler breeding industry, and becomes the industry with the highest industrialization degree in the field of animal husbandry in China. The total chicken yield in China is increased from 135.8 ten thousand tons in 1984 to 1144 ten thousand tons in 2009, and the total chicken yield is continuously increased at a speed of 5-10% per year. Due to the wide acceptance of the quality, the domestic chicken is exported to countries such as Japan and Korea, and the domestic chicken is basically purchased by the international catering brands which have ever high requirements on food safety like Kendeji. In 2010, 18 million tons of chicken material were purchased at the Chinese bai-win place of Kendeji, and 98% of these chickens came from suppliers native to China. With the development of the broiler industry, the consumption of average human chicken is far higher than that of pork and beef. At present, China has become the second largest chicken producing country in the world after the United states, the consumption of the chicken per capita is second to that of pork, and the broiler breeding industry once becomes a rich road.
Both humans and animals are life bodies. The living body will have a rating. The animal grading is determined by the magnitude degree of the animal, the chickens are also divided into the chickens with the highest magnitude, the lowest magnitude and the sick chickens according to the magnitude degree, the chicks are placed in each cage position in the brooding and growing period of the laying hens in the modern breeding, and the young chickens are all random individually, and the upper and lower grades can be naturally formed due to the difference of the magnitude degrees of the individuals. The high-level food intake and water drinking can be controlled naturally and preferentially. The growth and development of the food cannot be deeply influenced except that the food intake and the drinking water cannot be guaranteed. If the chickens with high magnitude are not restricted by the chickens with equivalent magnitude, the chickens with high magnitude can grow too fast, and the healthy growth of all the raised laying hens is seriously influenced.
Disclosure of Invention
The invention aims to provide a method for feeding laying hens in a brood and growing period in a grading manner, so as to solve the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
a method for feeding laying hens in a brood and growing period in a grading way comprises the following steps:
1) and (3) classifying the chickens: dividing the chickens into two groups according to the long birth time of the chickens, wherein the two groups are divided into a chick group and a young chicken group;
2) each chick of the chick group passes through the spectral camera, because of the magnitude degree of different chicks, the colors of the chicks with different magnitudes irradiated by the spectral camera are different, the laying hens with extremely high magnitudes emit blue or purple light, the light emitted by the body of the chick with higher magnitudes is yellow or green, the light emitted by the chick with low magnitudes is white or red, and the light emitted by the chick with a sick chick is gray or black;
3) dividing chicks of different colors measured in the step 2) into four different groups, wherein the group of the chicks is a1 group in blue or purple, a2 group in yellow or green, a3 group in white or red, and a4 group in gray or black;
5) each chicken of the young chicken group passes through the spectral camera, and colors displayed by the spectral camera irradiating the chicks with different magnitudes are different due to the magnitudes of different chicks; dividing young chicken into four groups according to different colors, wherein the blue or purple group is b1 group, the yellow or green group is b2 group, the white or red group is b3 group, and the gray or black group is b3 group;
6) because the laying hens a1, a2, b1 and b2 are healthy, only food and drinking water required by the growth of the laying hens are required to be provided normally, and the temperature and humidity of the laying hens are ensured;
7) for the laying hens in the groups a3 and b3, the laying hens are low in level and need to be provided with high-nutrition feed and drinking water;
8) for the laying hens in the groups a4 and b4, because the laying hens are sick chickens, medicines with corresponding symptoms need to be added into the high-nutrition feed;
preferably, the chicks of the chicks group are kept at the indoor temperature of 40-42 ℃ when the chicks are aged for 1-3 days; keeping the indoor temperature at 37-39 ℃ when the tea is 3-7 days old; keeping the indoor temperature at 34-36 ℃ when the tea is 7-14 days old; keeping the indoor temperature at 30-34 ℃ when the tea is 14-18 days old; keeping the indoor temperature at 26 ℃ when the tea is 18-22 days old; culturing at natural temperature after 22 days of age.
The high-nutrition feed in the step 7) is prepared from the following raw materials in parts by weight: 40-45 parts of corn flour, 8-10 parts of bean flour, 3-5 parts of whey protein, 2-4 parts of hawthorn, 1-2 parts of calcium carbonate, 0.5-1 part of trace elements, 0.5-1 part of amino acid, 5-8 parts of carrot powder, 2-4 parts of alfalfa and 0.5-1 part of vitamin complex.
The preparation process of the high-nutrition feed comprises the following steps:
A. fully mixing the corn flour, the bean flour and the carrot powder, and sieving by a sieve of 80-100 meshes;
B. adding water into the mixture obtained in the step A, then adding whey protein, calcium carbonate, trace elements, amino acid and vitamin complex, and fully stirring for 15-20 min;
C. b, putting the alfalfa and the hawthorn into a grinder for grinding, after spray drying for 1-2 hours, sieving by a sieve of 80-200 meshes, then sterilizing by microwave for 1-3 min, adding the alfalfa powder into the mixed liquid in the step B, and uniformly stirring for later use;
D. feeding the uniformly stirred semi-finished product into a granulator for granulation, mixing steam in the granulator in the process to gelatinize starch in the feed, and extruding and naturally forming through a die hole, wherein the diameter of the die hole of the granulator is 1-2 mm;
E. and uniformly scattering the hawthorn powder on the surface of the prepared feed particles, and then drying to prepare the laying hen feed.
Preferably, the compound vitamin comprises 15% of vitamin A, 12% of vitamin E, 0.8% of vitamin B1, 2.5% of vitamin B2, 1.5% of vitamin B12 and the balance of universal carriers.
Preferably, the breeding chamber is disinfected and subjected to pollution discharge regularly during the breeding process of the laying hens in the groups a1, a2, a3, a4, b1, b2, b3 and b 3.
Preferably, during the raising period of the laying hens in the groups a1, a2, a3, a4, b1, b2, b3 and b3, the indigowoad root water is supplied to the chicks for 1-2 hours in the morning and in the evening each day.
The invention has the beneficial effects that:
according to the invention, through graded feeding, according to the sizes (magnitude height) of individual chickens and the lengths of shin bones, the graded feeding is divided, the graded feeding is performed, the magnitude heights can be mutually restricted, the magnitude paper cannot be influenced by the chickens with the magnitude heights, the feed is beneficial to the laying hens with the magnitude heights and the laying hens with the magnitude paper, meanwhile, through the supply of special nutritional feed to the laying hens with the extremely low amounts, the feed for sick chickens is added with the medicines corresponding to symptoms, the feed can help the three data indexes of the weight, the uniformity and the shin bones of the chickens with the magnitude heights to be normal, and the healthy growth of the sick chickens is helped.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example 1
A method for feeding laying hens in a brood and growing period in a grading way comprises the following steps:
1) and (3) classifying the chickens: dividing the chickens into two groups according to the long birth time of the chickens, wherein the two groups are divided into a chick group and a young chicken group;
2) each chick of the chick group passes through the spectral camera, because of the magnitude degree of different chicks, the colors of the chicks with different magnitudes irradiated by the spectral camera are different, the laying hens with extremely high magnitudes emit blue or purple light, the light emitted by the body of the chick with higher magnitudes is yellow or green, the light emitted by the chick with low magnitudes is white or red, and the light emitted by the chick with a sick chick is gray or black;
3) dividing chicks of different colors measured in the step 2) into four different groups, wherein the group of the chicks is a1 group in blue or purple, a2 group in yellow or green, a3 group in white or red, and a4 group in gray or black;
5) each chicken of the young chicken group passes through the spectral camera, and colors displayed by the spectral camera irradiating the chicks with different magnitudes are different due to the magnitudes of different chicks; dividing young chicken into four groups according to different colors, wherein the blue or purple group is b1 group, the yellow or green group is b2 group, the white or red group is b3 group, and the gray or black group is b3 group;
6) because the laying hens a1, a2, b1 and b2 are healthy, only food and drinking water required by the growth of the laying hens are required to be provided normally, and the temperature and humidity of the laying hens are ensured;
7) for the laying hens in the groups a3 and b3, the laying hens are low in level and need to be provided with high-nutrition feed and drinking water;
8) for the laying hens in the groups a4 and b4, because the laying hens are sick chickens, medicines with corresponding symptoms need to be added into the high-nutrition feed;
the high-nutrition feed is prepared from the following raw materials in parts by weight: 40-45 parts of corn flour, 8-10 parts of bean flour, 3-5 parts of whey protein, 2-4 parts of hawthorn, 1-2 parts of calcium carbonate, 0.5-1 part of trace elements, 0.5-1 part of amino acid, 5-8 parts of carrot powder, 2-4 parts of alfalfa and 0.5-1 part of vitamin complex.
The preparation process of the high-nutrition feed comprises the following steps:
A. fully mixing the corn flour, the bean flour and the carrot powder, and sieving by a sieve of 80-100 meshes;
B. adding water into the mixture obtained in the step A, then adding whey protein, calcium carbonate, trace elements, amino acid and vitamin complex, and fully stirring for 15-20 min;
C. b, putting the alfalfa and the hawthorn into a grinder for grinding, after spray drying for 1-2 hours, sieving by a sieve of 80-200 meshes, then sterilizing by microwave for 1-3 min, adding the alfalfa powder into the mixed liquid in the step B, and uniformly stirring for later use;
D. feeding the uniformly stirred semi-finished product into a granulator for granulation, mixing steam in the granulator in the process to gelatinize starch in the feed, and extruding and naturally forming through a die hole, wherein the diameter of the die hole of the granulator is 1-2 mm;
E. and uniformly scattering the hawthorn powder on the surface of the prepared feed particles, and then drying to prepare the laying hen feed.
Example 2
A method for feeding laying hens in a brood and growing period in a grading way comprises the following steps:
1) and (3) classifying the chickens: dividing the chickens into two groups according to the long birth time of the chickens, wherein the two groups are divided into a chick group and a young chicken group;
2) each chick of the chick group passes through the spectral camera, because of the magnitude degree of different chicks, the colors of the chicks with different magnitudes irradiated by the spectral camera are different, the laying hens with extremely high magnitudes emit blue or purple light, the light emitted by the body of the chick with higher magnitudes is yellow or green, the light emitted by the chick with low magnitudes is white or red, and the light emitted by the chick with a sick chick is gray or black;
3) dividing chicks of different colors measured in the step 2) into four different groups, wherein the group of the chicks is a1 group in blue or purple, a2 group in yellow or green, a3 group in white or red, and a4 group in gray or black;
5) each chicken of the young chicken group passes through the spectral camera, and colors displayed by the spectral camera irradiating the chicks with different magnitudes are different due to the magnitudes of different chicks; dividing young chicken into four groups according to different colors, wherein the blue or purple group is b1 group, the yellow or green group is b2 group, the white or red group is b3 group, and the gray or black group is b3 group;
6) because the laying hens a1, a2, b1 and b2 are healthy, only food and drinking water required by the growth of the laying hens are required to be provided normally, and the temperature and humidity of the laying hens are ensured;
7) for the laying hens in the groups a3 and b3, the laying hens are low in level and need to be provided with high-nutrition feed and drinking water;
8) for the laying hens in the groups a4 and b4, because the laying hens are sick chickens, medicines with corresponding symptoms need to be added into the high-nutrition feed;
the high-nutrition feed is prepared from the following raw materials in parts by weight: 42 parts of corn flour, 9 parts of bean flour, 4 parts of whey protein, 3 parts of hawthorn, 1.5 parts of calcium carbonate, 0.8 part of trace elements, 0.8 part of amino acid, 6.5 parts of carrot powder, 3 parts of alfalfa and 0.7 part of compound vitamin.
The preparation process of the high-nutrition feed comprises the following steps:
A. fully mixing the corn flour, the bean flour and the carrot powder, and sieving by a sieve of 80-100 meshes;
B. adding water into the mixture obtained in the step A, then adding whey protein, calcium carbonate, trace elements, amino acid and vitamin complex, and fully stirring for 15-20 min;
C. b, putting the alfalfa and the hawthorn into a grinder for grinding, after spray drying for 1-2 hours, sieving by a sieve of 80-200 meshes, then sterilizing by microwave for 1-3 min, adding the alfalfa powder into the mixed liquid in the step B, and uniformly stirring for later use;
D. feeding the uniformly stirred semi-finished product into a granulator for granulation, mixing steam in the granulator in the process to gelatinize starch in the feed, and extruding and naturally forming through a die hole, wherein the diameter of the die hole of the granulator is 1-2 mm;
E. and uniformly scattering the hawthorn powder on the surface of the prepared feed particles, and then drying to prepare the laying hen feed.
Example 3
A method for feeding laying hens in a brood and growing period in a grading way comprises the following steps:
1) and (3) classifying the chickens: dividing the chickens into two groups according to the long birth time of the chickens, wherein the two groups are divided into a chick group and a young chicken group;
2) each chick of the chick group passes through the spectral camera, because of the magnitude degree of different chicks, the colors of the chicks with different magnitudes irradiated by the spectral camera are different, the laying hens with extremely high magnitudes emit blue or purple light, the light emitted by the body of the chick with higher magnitudes is yellow or green, the light emitted by the chick with low magnitudes is white or red, and the light emitted by the chick with a sick chick is gray or black;
3) dividing chicks of different colors measured in the step 2) into four different groups, wherein the group of the chicks is a1 group in blue or purple, a2 group in yellow or green, a3 group in white or red, and a4 group in gray or black;
5) each chicken of the young chicken group passes through the spectral camera, and colors displayed by the spectral camera irradiating the chicks with different magnitudes are different due to the magnitudes of different chicks; dividing young chicken into four groups according to different colors, wherein the blue or purple group is b1 group, the yellow or green group is b2 group, the white or red group is b3 group, and the gray or black group is b3 group;
6) because the laying hens a1, a2, b1 and b2 are healthy, only food and drinking water required by the growth of the laying hens are required to be provided normally, and the temperature and humidity of the laying hens are ensured;
7) for the laying hens in the groups a3 and b3, the laying hens are low in level and need to be provided with high-nutrition feed and drinking water;
8) for the laying hens in the groups a4 and b4, because the laying hens are sick chickens, medicines with corresponding symptoms need to be added into the high-nutrition feed;
the high-nutrition feed is prepared from the following raw materials in parts by weight: 45 parts of corn flour, 10 parts of bean flour, 5 parts of whey protein, 4 parts of hawthorn, 2 parts of calcium carbonate, 1 part of trace elements, 1 part of amino acid, 8 parts of carrot powder, 4 parts of alfalfa and 1 part of compound vitamin.
The preparation process of the high-nutrition feed comprises the following steps:
A. fully mixing the corn flour, the bean flour and the carrot powder, and sieving by a sieve of 80-100 meshes;
B. adding water into the mixture obtained in the step A, then adding whey protein, calcium carbonate, trace elements, amino acid and vitamin complex, and fully stirring for 15-20 min;
C. b, putting the alfalfa and the hawthorn into a grinder for grinding, after spray drying for 1-2 hours, sieving by a sieve of 80-200 meshes, then sterilizing by microwave for 1-3 min, adding the alfalfa powder into the mixed liquid in the step B, and uniformly stirring for later use;
D. feeding the uniformly stirred semi-finished product into a granulator for granulation, mixing steam in the granulator in the process to gelatinize starch in the feed, and extruding and naturally forming through a die hole, wherein the diameter of the die hole of the granulator is 1-2 mm;
E. and uniformly scattering the hawthorn powder on the surface of the prepared feed particles, and then drying to prepare the laying hen feed.
Example 4
A method for feeding laying hens in a brood and growing period in a grading way comprises the following steps:
1) and (3) classifying the chickens: dividing the chickens into two groups according to the long birth time of the chickens, wherein the two groups are divided into a chick group and a young chicken group;
2) each chick of the chick group passes through the spectral camera, because of the magnitude degree of different chicks, the colors of the chicks with different magnitudes irradiated by the spectral camera are different, the laying hens with extremely high magnitudes emit blue or purple light, the light emitted by the body of the chick with higher magnitudes is yellow or green, the light emitted by the chick with low magnitudes is white or red, and the light emitted by the chick with a sick chick is gray or black;
3) dividing chicks of different colors measured in the step 2) into four different groups, wherein the group of the chicks is a1 group in blue or purple, a2 group in yellow or green, a3 group in white or red, and a4 group in gray or black;
5) each chicken of the young chicken group passes through the spectral camera, and colors displayed by the spectral camera irradiating the chicks with different magnitudes are different due to the magnitudes of different chicks; dividing young chicken into four groups according to different colors, wherein the blue or purple group is b1 group, the yellow or green group is b2 group, the white or red group is b3 group, and the gray or black group is b3 group;
6) the laying hens a1, a2, a3, a4, b1, b2, b3 and b4 can be normally provided with food and drinking water required by the growth of the laying hens, and meanwhile, the temperature and humidity of the matter are ensured.
Example 5
All laying hens are randomly divided into 8 groups, so that the feeding environment and the temperature are both suitable for the growth of the laying hens, and the food and the water are sufficiently supplied.
Example analysis:
1. in examples 1-3, the optimum raw material ratio of the high-nutrition feed is found by changing the ratio of the high-nutrition feed;
2. example 4 in contrast to examples 1-3, example 4 no longer provides different feeds and medications to layers of different magnitude and disease status, all providing commonly used chicken feed and water.
3. Example 5 in comparison to example 4, the chickens were no longer grouped according to different magnitudes and physical conditions in example 5 and were fed randomly.
The results obtained after feeding 15 chickens per group for 50 days according to the methods of examples 1-5 are as follows, and the experimental data are shown in the following table:
as can be seen from the table, both the sick chickens and the chickens with low rank in examples 1 to 3 survived well, the diseased chickens were better, and the number of the dead chickens was small, while the number of the sick chickens was large and a small number of the chickens died in example 4, and a large number of the dead chickens also appeared in example 5.
The above data show that the feeding effect is best when performed according to the method of example 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A method for feeding laying hens in brood and growing periods in a grading way is characterized in that: the method comprises the following steps:
1) and (3) classifying the chickens: dividing the chickens into two groups according to the long birth time of the chickens, wherein the two groups are divided into a chick group and a young chicken group;
2) each chick of the chick group passes through the spectral camera, because of the magnitude degree of different chicks, the colors of the chicks with different magnitudes irradiated by the spectral camera are different, the laying hens with extremely high magnitudes emit blue or purple light, the light emitted by the body of the chick with higher magnitudes is yellow or green, the light emitted by the chick with low magnitudes is white or red, and the light emitted by the chick with a sick chick is gray or black;
3) dividing chicks of different colors measured in the step 2) into four different groups, wherein the group of the chicks is a1 group in blue or purple, a2 group in yellow or green, a3 group in white or red, and a4 group in gray or black;
5) each chicken of the young chicken group passes through the spectral camera, and colors displayed by the spectral camera irradiating the chicks with different magnitudes are different due to the magnitudes of different chicks; dividing young chicken into four groups according to different colors, wherein the blue or purple group is b1 group, the yellow or green group is b2 group, the white or red group is b3 group, and the gray or black group is b3 group;
6) because the laying hens a1, a2, b1 and b2 are healthy, only food and drinking water required by the growth of the laying hens are required to be provided normally, and the temperature and humidity of the laying hens are ensured;
7) for the laying hens in the groups a3 and b3, the laying hens are low in level and need to be provided with high-nutrition feed and drinking water;
8) for the laying hens in the groups a4 and b4, because the laying hens are sick chickens, medicines with corresponding symptoms need to be added into high-nutrition feed.
2. The method for feeding laying hens in a brood and growing period in a grading manner as claimed in claim 1, wherein the method comprises the following steps: keeping the indoor temperature of the chicks group at 40-42 ℃ when the chicks are 1-3 days old; keeping the indoor temperature at 37-39 ℃ when the tea is 3-7 days old; keeping the indoor temperature at 34-36 ℃ when the tea is 7-14 days old; keeping the indoor temperature at 30-34 ℃ when the tea is 14-18 days old; keeping the indoor temperature at 26 ℃ when the tea is 18-22 days old; culturing at natural temperature after 22 days of age.
3. The method for feeding laying hens in a brood and growing period in a grading manner as claimed in claim 1, wherein the method comprises the following steps: the high-nutrition feed in the step 7) is prepared from the following raw materials in parts by weight: 40-45 parts of corn flour, 8-10 parts of bean flour, 3-5 parts of whey protein, 2-4 parts of hawthorn, 1-2 parts of calcium carbonate, 0.5-1 part of trace elements, 0.5-1 part of amino acid, 5-8 parts of carrot powder, 2-4 parts of alfalfa and 0.5-1 part of vitamin complex.
4. The method for feeding laying hens in a brood and growing period in a grading manner as claimed in claim 1, wherein the method comprises the following steps: the preparation process of the high-nutrition feed comprises the following steps:
A. fully mixing the corn flour, the bean flour and the carrot powder, sieving by a sieve of 80-100 meshes,
B. adding water into the mixture obtained in the step A, then adding whey protein, calcium carbonate, trace elements, amino acid and vitamin complex, and fully stirring for 15-20 min;
C. b, putting the alfalfa and the hawthorn into a grinder for grinding, after spray drying for 1-2 hours, sieving by a sieve of 80-200 meshes, then sterilizing by microwave for 1-3 min, adding the alfalfa powder into the mixed liquid in the step B, and uniformly stirring for later use;
D. feeding the uniformly stirred semi-finished product into a granulator for granulation, mixing steam in the granulator in the process to gelatinize starch in the feed, and extruding and naturally forming through a die hole, wherein the diameter of the die hole of the granulator is 1-2 mm;
E. and uniformly scattering the hawthorn powder on the surface of the prepared feed particles, and then drying to prepare the laying hen feed.
5. The method for feeding laying hens in a brood and growing period in a grading manner as claimed in claim 1, wherein the method comprises the following steps: the compound vitamin comprises 15% of vitamin A, 12% of vitamin E, 0.8% of vitamin B1, 2.5% of vitamin B2, 1.5% of vitamin B12 and the balance of universal carrier.
6. The method for feeding laying hens in a brood and growing period in a grading manner as claimed in claim 1, wherein the method comprises the following steps: therefore, the breeding chamber needs to be disinfected and subjected to pollution discharge regularly in the breeding process of the laying hens in the groups a1, a2, a3, a4, b1, b2, b3 and b 3.
7. The method for feeding laying hens in a brood and growing period in a grading manner as claimed in claim 1, wherein the method comprises the following steps: during the raising period of the laying hens in the a1 group, the a2 group, the a3 group, the a4 group, the b1 group, the b2 group, the b3 group and the b3 group, the indigowoad root water is supplied to the chicks for 1-2 hours in the morning and in the evening each day.
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| CN104136908A (en) * | 2011-12-19 | 2014-11-05 | 奥普蒂库尔诊断有限公司 | Spectroscopic means and methods for identifying microorganisms in culture |
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| CN109819936A (en) * | 2019-02-20 | 2019-05-31 | 中国农业大学 | The selection of low excrement water content layer breed |
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