57 results about "Growing chicken" patented technology

The invention discloses an ecological scale breeding method of green shell egg laying hens. The method mainly includes the following steps: (1) selecting breeding hens; (2) stocking in a rotational grazing mode in woodland and meadow; (3) selecting hatching eggs; (4) incubating the hatching eggs with an incubator; (5) managing broods of the green shell egg laying hens; (6) managing feeding of the green shell egg laying hens; and (7) preventing epidemic diseases of the green shell egg laying hens. The method is strong in systematicness, changes traditional breeding technology of the green shell egg laying hens, combines with effective breeding measures, improves quality of the breeding hens and the hatching eggs and production capacity of the green shell egg laying hens, increases egg weight and egg yield, and lowers morbidity and mortality rates of the green shell egg laying hens.

The invention relates to a slaughter type high-quality chilling fresh chicken breeding method. The breeding method includes: selecting recessive white-feather chickens (B line) having green shins and yellow skins as first male parents, and selecting large cockscomb high yield chickens (C line) having yellow shins and yellow skins as first female parents; hybridizing the B line and the C line to acquire parental generations (BC system) to be as final female parents according to the heredity principle that a green shin gene is sex-linked and an autosome controls a skin color gene, wherein parental chickens can be distinguished through the shin color, the shins of the female chickens are green, and the shins of the male chickens are yellow. using yellow-feather fast-growing chickens (A line) having green shins, yellow skins, and large cockscombs as final male parents, producing commodity chickens (ABC) by A line male X (B line male X C line female) female mating hybrid, wherein commodity male and female chickens have green shins, yellow skins, large cockscombs, and wide chests. The commodity chickens can be sold at the age of 63-65 days, the average weight of the female chickens is 1.6-1.65 Kg, the average weight of the male chickens is 1.8-1.85 Kg, the average uniformity can reach more than 96%; the dressing percentage, the whole net carcass rate, and the chest muscle rate can exceed 85%, 65%, and 18%, and the carcass character has significant advantages.

The invention relates to a breeding method of red Yao ma chickens. The breeding method is characterized by comprising the following steps of step 1, selecting parent breeding chickens; step 2, establishing a pure line and a family for base group breeding chickens; step 3, identifying the pure line of base group breeding chickens and the family of base group breeding chickens; step 4, establishing a core group and a family for the selected and remaining breeding chickens and producing the new generation of family; step 5, producing ancestral breeding chickens through the new generation of family of breeding chickens in the step 4, producing parent breeding chickens through the ancestral breeding chickens, producing goods generation of chickens through the parent breeding chickens and obtaining the new strain of red Yao ma chickens. According to the breeding method of the red Yao ma chickens, the feather colors of the bred red Yao ma chickens are basically as same as each other, the feather colors of the appearance of cocks are red, black and yellow and the purity is 100%, and the ma feather colors of the appearance of hens are dark brown and red and the purity is more than 95%; the egg laying number of 66 week age of hen breeding is more than 140 every day and the hatching egg fertilization rate is more than 90%; 120 day age of cocks are more than 2100 g, 120 day age of hens are more than 1600 g, and the weight coefficient of variation is less than 10%.

The invention relates to a breeding method of black Yao ma chickens. The breeding method is characterized by comprising the following steps of step 1, selecting parent breeding chickens; step 2, establishing a pure line and a family for base group breeding chickens; step 3, identifying the pure line of base group breeding chickens and the family of base group breeding chickens; step 4, establishing a core group and a family for the selected and remaining breeding chickens and producing the new generation of family; step 5, producing ancestral breeding chickens through the new generation of family of breeding chickens in the step 4, producing parent breeding chickens through the ancestral breeding chickens, producing goods generation of chickens through the parent breeding chickens and obtaining the new strain of black Yao ma chickens. According to the breeding method of the black Yao ma chickens, the feather colors of the bred black Yao ma chickens are basically as same as each other, the feather colors of the appearance of cocks are red, black and yellow and the purity is 100%, and the ma feather colors of the appearance of hens are dark brown and red and the purity is more than 95%; the egg laying number of 66 week age of hen breeding is more than 140 every day and the hatching egg fertilization rate is more than 90%; 120 day age of cocks are more than 2100 g, 120 day age of hens are more than 1600 g, and the weight coefficient of variation is less than 10%.

The invention discloses a method for raising goat milk Chinese caterpillar fungus chickens, comprising the following steps: (1) selecting mountainous regions, forest lands, short tussocks or river shoals far away from urban areas and industrial areas as a raising place, building a hen house near the raising place, selecting chickens at the density of 200-300 / acre, and feeding the chickens with coarse cereals and goat milk in the morning and evening until the chickens grow into growing chickens; (2) stocking the growing chickens in the raising place in the day time to cause the growing chickens to freely eat natural grass and insects, and supplementing coarse cereals and goat milk in the morning and evening until the growing chickens are fed into mature chickens; (3) stocking the mature chickens in the raising place in the day time to cause the mature chickens to freely eat natural grass and insects, and supplementing coarse cereals and goat milk in the morning and evening; and obtaining the goat milk Chinese caterpillar fungus chickens 6-7 months after the chickens begin to be raised. With the method, industrial raising can be realized, the immunity of the chickens can be improved, the morbidity is lowered, and the obtained goat milk Chinese caterpillar fungus chickens have the advantages of excellent meat quality and egg quality and abundant nutrient components and are delicious.

The invention discloses an undersized white feather broiler breeding method. An undersized yellow chicken and a white feather broiler are used for being in reciprocal cross and after that the yellow chicken and the white feather broiler are in horizontal cross fixing. Then, shutting breeding can be proceeded to breed a breed of undersized white feather broilers. The undersized white feather broiler breeding method is used for breaking through a traditional thought that a large-sized cock is mated with a large-sized hen to give birth to a parents-generation white chicken in a normal bodily form in the prior art. An undersized cock is chosen to mate the large-sized hen to give birth to the parents-generation white chicken in a grain-saving type. A method that an undersized yellow chicken (contains a dw gene) is half-bred with a white fast-growing chicken is used for choosing and breeding a breed of dominance undersized white chickens. High isozygoty and high stability of the dw gene can be guaranteed, and absolute security of resource can be guaranteed. An adult chicken is shapely in body and gesture, rounded in bodily form, huge in head, thick in neck, compact and shining in feathers and strong and muscular in chest-leg muscles. Chicken herd is good in uniformity and strong in disease resistance. Hens which enter into pheasantries for 66 weeks can lay 170-175 eggs. The weight of each egg is 50-60 grams. Passing percent of hatching egg is more than 95%. Emergence rate of hatching is 90%.

The invention discloses a Nongda #3 grain-saving small-size laying hen brooding stage feeding method. The method comprises the following steps: before chicken enter a brooding coop, the brooding coop is cleaned and sterilized; heat supply is provided for preheating, such that the temperature in the brooding coop reaches 35-36 DEG C; an environment relative humidity is regulated to 62-67%; when the chicken enter the brooding coop, a density is 50-100 chicken / m<2>; a chicken feeding density is gradually reduced to 25-30 chicken / m<2>; after the chicken are hatched, the chicken should drink water for a first time within 24h; feeding is started after 24h since hatching; a Nongda #3 special-purposed brooding feed is used for feeding, wherein small amounts of feed are supplied frequently, such that the chicken can forage freely; clean drinking water is ensured, and water supply should be ensured day-and-night; corresponding illumination time and intensity, chicken coop temperature and temperature-humidity are adjusted according to growth progress, and ventilation is carried out regularly; when the chicken reach the age of 7-10 days, beak cutting is carried out; disinfection is carried out regularly, and the sanitation inside and outside the brooding coop is maintained; at the end of the 9th week, chicken weight reaches 0.55-0.58kg, and the chicken can enter growing stage management. The feeding method provided by the invention has the advantages of standard management and high survival rate. With the method, the growing chicken are robust. The method is suitable for large-scale popularization and application.

The invention discloses a method for raising phasianus colchicas by using napier grass and relates to the field of chicken culture. The raising is divided into three stages, i.e., chickling raising, growing chicken raising and grown chicken raising, a feed formula adopted during the raising of each stage comprises a concentrated feed, fermented napier grass and a premix, proportioning ratios of the concentrated feed to the fermented napier grass to the premix in the three stages are all different, and the proportion of the fermented napier grass gradually increases; the fermented napier grass is prepared through fermenting 4 kinds of microbes, i.e., streptomyces, white-rot fungi, Lactobacillus acidophilus and Streptococcus lactis with peptone, molasses, calcium chloride, potassium sulfate, magnesium sulfate and citric acid jointly. According to the method for raising the phasianus colchicas, disclosed by the invention, the quality of fermentation of the napier grass is improved, and the quality of chicken is further improved; the raising ratio of the concentrated feed to forage is reasonably prepared according to growth characteristics of the phasianus colchicas, so that the aims of saving the concentrated feed, reducing the cost and improving the economic benefit are achieved.

The invention discloses a Huainan partridge chicken hybrid breeding method. The method includes: on the basis of Huainan partridge chickens, 25% of Wenchang chicken blood is guided in, and commodity chickens are produced according to a three-line support hybrid breeding procedure. The method has the advantages that advantages of two times of hybrids are used, the reproduction and breeding capability of female chickens are increased greatly, the cost of commodity chicks is lowered evidently, the vitality of the chicks is increased, the commodity chickens basically have the appearance features of Huainan partridge chickens, the growth speed of the commodity chickens is increased, and the feed consumption of the commodity chickens is lowered; the internal difference of commodity chickens and breeding chickens is evident, the commodity chickens are not suitable for being used as breeding chickens, and variety property right protection is benefited.

The invention relates to Dorking feed, which is composed of a premix compound and a grown chicken feed. The premix compound comprises the following components in parts by weight: Roche multiple-vitamin protein powder, amino acid chelated mineral complex vitamin, choline chloride, salt, baking soda, 10% of origanum oil, a yeast culture, sodium butyrate and sub-powder; the grown chicken feed comprises the following components in parts by weight: corn, corn protein feed, soya bean meal, cottonseed meal, rapeseed meal, stillage protein DDGS (Distillers Dried Grains with Soluble), hydrolyzed feather meal, stone dust, calcium hydrogen phosphate lysine and the premix compound. According to physiological characteristics of chickens in a Dorking phase and special requirements on certain nutrition components, a large amount of the raw materials in the formulation is appropriately sieved, and the yeast culture, the amino acid chelated mineral complex vitamin, the origanum oil and the like are pointedly added into the premix compound at the same time, so that the Dorking has the advantages of fast grow, strong disease-preventing capability and the like in the Dorking phase.

The invention belongs to the agriculture animal husbandry culture field, and provides an under forest chicken cultivation method comprising science cultivation of a chick period, a growing period and a pre-mature period; the chicken flocks are cultivated in a stocking mode; the scientific seedling growing and growth management can greatly improve chick survival rate; the growing chicken uses the stocking mode in the forest, so the chicken meat is delicious in taste, and chicken meat quality can be greatly improved; the chicken stocked in the forest can east worms and grass, can control the insects in the forest, and chicken manure can serve as wood fertilizer; the method can reduce chicken cultivation cost, and two forest fields are provided for growing chicken at intervals, thus providing fully growth time for the forests, ensuring woodland ecology balance, and well ensuring food source of the chicken flocks.

The invention discloses a chicken FABP4 gene molecular genetic marker related to a good meat chicken slaughtering character. The chicken FABP4 gene molecular genetic marker is a polymorphic site of the chicken FABP4 gene single nucleotide polymorphism sequence, is a basic group polymorphic site at the fifty-first site of a first exon of an FABP4 gene sequence being C or T, and is shown as the CC gene type or the CT gene type or the TT gene type, and the CC type is the good slaughtering character molecular genetic marker of the meat chicken. The invention further discloses the application of the mark in assisting in screening or predicting the meat chicken with the good slaughtering character. The experiment proves that relevance exists between the polymorphism of the special type digestion site and the production performance, multiple measurement indexes of the individual with the CC gene type are all higher than those of the individual with the TT gene type, and the individual with the CC gene type can be prompted to serve as a breeder chicken to breed the variety chicken with the good slaughtering character.

The invention discloses a breeding method of mountain chicken. The breeding method comprises the steps of establishing a pheasantry, conducting feeding service on the mountain chicken, and conducting water feeding on the mountain chicken, wherein the pheasantry is arranged in a way that a first feeding service area is arranged on a door of the pheasantry, 3-5 ditches are formed between the first feeding service area and the front of the pheasantry door, areas from two sides of the pheasantry door to two side edges of the ditches are warded through movable planks, and a second feeding service is arranged on the open space of the other side of the first feeding service area; the step of conducting feeding service on the mountain chicken comprises the procedures of putting 5-week old mountain chickens into the pheasantry, opening the pheasantry door at 6-7 am of every morning, driving the mountain chicken to the second feeding service area, feeding the mountain chicken with a fodder which is prepared from raw materials of cipangopaludina cahayensis, mole criket, pillworm, centipede, rice worm, red sorghum and the like; conducting feeding service on the mountain chicken in the first feeding service area at 5-7 pm of every afternoon; the step of conducting water feeding on the mountain chicken comprises the procedure of feeding the mountain chicken with nutritive water prepared from honey, lemon, grapefruit, chrysanthemum flowers, phaseolus calcaratus, caulis spatholobi, the root bark of white mulberry, cyrtomium fortunei, cassia twig, the root of three-nerved spicebush and mountain spring water during everyday feeding service period. According to the breeding method of the mountain chicken, the survival rate of growing chicken is increased, and the growing speed of the mountain chicken is increased.

The invention relates to a Chinese herbal medicine additive for promoting growth of laying hens and improving egg quality and a feeding method thereof. The additive is prepared from the following Chinese herbal medicines in parts by weight of 2-4 parts of radix astragali, 1.5-3.5 parts of poria cocos, 1-3 parts of radix isatidis, 1-3 parts of radix codcnopsitis pilosulas, 1-2.5 parts of radix glycyrrhizae, 2-4 parts of fructus crataegi, 3-5 parts of rhizoma dioscoreae, 3-5 parts of fructus hordei germinatus, 1-2 parts of massa medicata fermentata, 1-2 parts of agastache rugosus, 1-2 parts of pericarpium citri reticulatae and 1-2.5 parts of herba ephedrae. Various Chinese herbal medicines are ground and sieved, and the sieved materials are mixed to obtain a mixture, namely the Chinese herbal medicine additive. 2 kg of the additive is added into every 100 kg of chicken compound feed according to the weight ratio to obtain chicken feed. 10-36 g of the chicken feed is used for feeding eachbrooding chicken every day, 40-80 g of the chicken feed is used for feeding each growing chicken every day, and 85-120 g of the chicken feed is used for feeding each laying hen every day. The additive has the characteristics of strong safety, small toxic and side effects and low residue, avoids tolerance of livestock and poultry to the additive, and basically realizes antibiotic-free breeding.

The present invention discloses a feed for improving the egg yield of laying hens, a preparation process and a feeding method of the feed. The feed consists of 90-93% of a basic feed, 5-7% of dried traditional Chinese medicine residue powder and 2-3% of a functional additive. The functional additive comprises the following components in parts by weight: 0.02-0.03 part of choline chloride, 0.5-0.7part of resveratrol, 0.06-0.1 part of dihydropyridine, 2-3 parts of soybean isoflavones, 3-5 parts of bee pollen, 1.4-2.6 parts of glycyrrhizin, 3-4 parts of beta-carotene, 6-8 parts of linoleic acid,0.8-1.2 parts of iron methionine, 0.8-1 part of lysine and 1-2 parts of tryptophan. The feeding method is as follows: 1-4-week chicks are fed 6-8 times every day, and every time the feeding amount is4-5g per chick; 5-6-week chicks are fed 4-6 times every day, and every time the feeding amount is 13-15g per chick; and 8-20-week growing chickens are fed 3 times every day, and every time the feeding amount is 60-80g per chickens. The feed not only provides abundant nutrient substances for laying hens in egg-producing period, but also stimulates the secretion and expression of estrogen in the body of laying hens, performs exogenous supplement of natural plant estrogens, and prolongs the egg-production peak.

The invention discloses a scale-breeding native chicken farm disinfection treatment method. The scale-breeding native chicken farm disinfection treatment method comprises the following steps such as chicken farm cleaning and ventilating, disinfecting and closing, lime powder dry disinfection and rice hull treatment. The scale-breeding native chicken farm disinfection treatment method has the advantages that disinfecting is conducted in advance, and for the growing environment of chickens within 1-2 months, a good nontoxic chicken growing environment is manufactured; spraying and ventilating are conducted in advance, then, ground drying sterilization is conducted again through lime powder, ground water residues and bacteria breeding are removed through dried sand and the lime powder, germ existence is completely eradicated, healthy growing of the chickens is achieved, meanwhile, using of disinfectant fluid is reduced, and a grown chicken is free of medical liquid residues; and at the same environment, chicken breeding with the same scale can be recycled for two to three times.

The invention discloses a method for raising colored pheasants by using paper mulberry tree leaves and relates to the field of chicken culture. The raising is divided into three stages, i.e., chickling raising, growing chicken raising and grown chicken raising, a feed formula adopted during the raising of each stage comprises a concentrated feed, fermented paper mulberry tree leaves and a premix, proportioning ratios of the concentrated feed to the fermented paper mulberry tree leaves to the premix in the three stages are all different, and the proportion of the fermented paper mulberry tree leaves gradually increases; and the fermented paper mulberry tree leaves are prepared through fermenting several kinds of microbes, i.e., streptomyces, bacillus licheniformis, aspergillus oryzae, Lactobacillus acidophilus and Streptococcus lactis with urea, sugar-cane juice, potassium chloride, magnesium sulfate and maize meal jointly. According to the method for raising the colored pheasants, disclosed by the invention, the quality of fermentation of the paper mulberry tree leaves is improved, and the quality of chicken is further improved; and the raising ratio of the concentrated feed to forage is reasonably prepared according to growth characteristics of the colored pheasants, so that the aims of saving the concentrated feed, reducing the cost and improving the economic benefit are achieved.

The invention belongs to the technical field of breeding, in particular to a large-scale ecological local chicken breeding method. The large-scale ecological local chicken breeding method is characterized in that: chicks are bred scientifically, and a nutrient feed is prepared, so that the growth of the chicks is promoted; the chicks reaching a growing period can be placed into a eucalyptus forest, freely fed with fallen eucalyptus leaves, weeds and earthworms, and fed with a growing feed in an auxiliary way, so that the growth and development of growing chicken are facilitated, and the survival rate of the growing chicken is increased; moreover, chicken manure produced in a breeding process is prepared into an organic feed after treatment and fermentation to be supplied to the earthworms, and excrement produced in the breeding process of the earthworms is treated to be taken as fertilizer of organic vegetables, so that an ecological environment-friendly local chicken breeding mode is formed.

The invention discloses a quick balanced breeding method of chicken breeds with high quality, and belongs to the technical field of poultry breeding. The method comprises the steps of crossing meat chicken cultivated including 50% of blood relationship of local chicken and meat chicken including 75% of blood relationship of the local chicken in a supporting way to obtain a meat chicken breeding series including 62.5% of blood relationship of the local chicken. The external blood relationship content proportion of the local chicken and fast-growing chicken of the breeding series can well balance the negative correlation of inheritance between the meat quality and the growing speed, the inherit meat quality and flavor of the local chicken can be kept maximally when the growing speed can be improved, and the optimized high yield and high quality can be realized; furthermore, either progenitor male parent or female parent pure line of the combination of foreign varieties can be introduced by importing the foreign blood relationship, so as to reduce the determination on combining ability, and accelerate the homozygosis of genotype; in addition, an auxiliary selecting technology of a molecular marker is adopted to develop early selection, therefore the generation interval can be shortened, and the breeding progress can be accelerated.

The invention provides a method for raising chickens by the aid of residues in paddy fields after autumn harvest. The method includes steps of A, mashing, rolling and stirring straw and the residues by the aid of cultivation machines to obtain coatings with the thicknesses of 20cm after grain in the paddy fields is harvested; B, building simple chicken boarding coops in the paddy fields, building enclosure shields in the paddy fields, vertically burying reinforcing steel bars in the peripheries of the paddy fields, and fixing nylon nets which are used as enclosure walls onto the reinforcing steel bars; C, raising the chickens outside cages, to be more specific, raising 1200 broiler chickens in each mu of land, and setting up light sources in the paddy fields for attracting winged insects at nights; D, feeing the chickens for 4 weeks, removing the boarding coops when the weight of each growing chicken reaches 1500 grams approximately, and returning the chickens to raising farms. The nylon nets and the reinforcing steel bars are higher than 1.6 meters. The method has the advantages that the method is simple and feasible, the chickens can freely move and freely peck grain particles which drop on the lands of the paddy fields, accordingly, resource wastage can be prevented, and soil environments of the paddy fields can be improved by chicken manure.

The present invention discloses a growing chicken breeding liupao tea feed and a manufacturing method thereof. The liupao tea feed is a mixture manufactured by using the following raw materials in parts by weight: corn 35-41 parts, rice bran 9-13 parts, wheat bran 2-4 parts, soybean meal 13-17 parts, fish meal 1-3 parts, yeast powder 1-3 parts, mountain flour 0.5-1.5 parts, crude protein 12-15 parts, calcium hydrogen phosphate 0.8-1.6 parts, edible salt 0.2-0.4 part and liupao tea powder 10-14 parts. The manufacturing method of the feed is as follows: the corn, rice bran, wheat bran, soybean meal, fish meal, yeast powder, mountain flour, crude protein and other raw materials are mixed with water and processed into a mixed cake and then the mixed cake is put into a material striking machine to be processed into the granulous feed. The growing chicken breaded by the growing chicken breeding liupao tea feed has a good disease resistance and strong immunity.

The invention discloses a quick and efficient semen treatment device for artificial insemination in a breeding chicken farm. The device comprises a box, wherein the center of the inner top of the boxis fixedly connected with a temperature sensor, multiple uniformly distributed heating tubes are fixedly connected to the top edge of the inner wall of the box, the upper surface of the box is fixedlyconnected with a temperature control mechanism, the temperature control mechanism comprises a display screen and a switch, one side, away from the temperature control mechanism, of the top of the boxis fixedly communicated with a feeding pipe, the top end of the feeding pipe is in threaded connection with a dustproof cover, the upper surface of the box is fixedly connected with a first motor, and an output end of the first motor is fixedly connected with a first stirring shaft. The device is simple to operate, heating and stirring are completed in one device, during heating, two reversely rotating motors are used to drive two stirring shafts to rotate reversely, so that distilled water and a nutrient solution are fully mixed and uniformly heated, the temperature of the mixed liquid is kept at 37 DEG C, and the vitality of diluted breeding chicken semen is guaranteed.

The invention relates to the technical field of improving chicken meat quality by raising chickens, and particularly to a chicken raising method for improving chicken meat quality. The chicken raising method for improving chicken meat quality comprises a chick stage, a growing chicken stage and an adult chicken stage. In the chick stage, the chicks are in free-range in the forest to enhance the disease resistance of chicks, and are fed with chick fodder to facilitate development of the kidney of chicks and promote the maturation of chicks. In the growing chicken stage, different management is carried out for the growing chickens according to the transformation of the four seasons, and growing chickens are fed with growing chickens assorted feed, so that the immunity of growing chickens can be enhanced and the growing chickens grow healthily. In the adult chicken stage, adult chickens are raised in the forest, and are fed with adult chicken assorted feed to make the quality of chicken fresh better.

The invention discloses a growing chicken immunization method. The growing chicken immunization method includes the steps of in the seventh day, subcutaneously injecting a Newcastle Disease, Infectious Bronchitis and Avian Influenza (H9 subtype) Vaccine, Inactivated (strain La Sota+strain M41+strain Hp) into the nuchal parts of baby chickens; in the twelfth day, dropwise adding an Infectious Bursal Disease Vaccine, Live (B87 Strain) into mouths of the baby chickens; in the fifteenth day, vaccinating 1-3 plumes of an Avian Pox Vaccine, Live (Quail-Adapted Strain) under the wings of the baby chickens by puncturing; in the eighteenth day, subcutaneously injecting an Avian Influenza H5N1Re-4+Re-6 Single Vaccine into the necks of the baby chickens; in the 22nd day, dropwise adding the Infectious Bursal Disease Vaccine, Live (B87 Strain) into the mouths of the baby chickens; in the 35th day, dropwise adding a Combined Newcastle Disease and Infectious Bronchitis Vaccine, Live (Strain La Sota+Strain H52) Vaccine into the eyes of the baby chickens; in the 70th day, injecting the Avian Influenza H5N1Re-4+Re-6 Single Vaccine into the baby chickens; in the 115th day, injecting the Avian Influenza H5N1Re-4+Re-6 Single Vaccine into the baby chickens. The growing chicken immunization method has the advantages of capability of enhancing immunity of the chickens effectively and the like.

The invention discloses a Chinese herbal medicine additive for feeding laying hens and a feeding method of the additive. The Chinese herbal medicine additive is prepared from the following Chinese herbal medicines in parts by weight of 3-6 parts of rhizoma atractylodis macrocephalae, 2-5 parts of radix astragali, 1-4 parts of radix platycodonis, 1-4 parts of herba epimedii, 1-3 parts of radix angelicae sinensis, 2-4 parts of herba ephedrae, 2-5 parts of rhizoma dioscoreae, 3-6 parts of fructus hordei germinatus, 1-3 parts of massa medicata fermentata, 1-3 parts of pericarpium citri reticulatae, 2-4 parts of radix acanthopanacis semticosi and 1-3 parts of radix sanguisorbae. Various Chinese herbal medicines are ground and sieved, and the sieved materials are mixed in parts by weight to obtain a mixture, namely the Chinese herbal medicine additive. 1-3 kg of the Chinese herbal medicine additive is added into every 100 kg of chicken compound feed according to the weight ratio to obtain chicken feed. 10-36 g of the chicken feed is used for feeding each brooding chicken every day, 40-80 g of the chicken feed is used for feeding each growing chicken every day, and 85-120 g of the chickenfeed is used for feeding each laying hen every day. The additive has the characteristics of strong safety, small toxic and side effects and low residue, avoids tolerance of livestock and poultry to the additive, and basically realizes antibiotic-free breeding.

The invention relates to a breeding method of red Yao ma chickens. The breeding method is characterized by comprising the following steps of step 1, selecting parent breeding chickens; step 2, establishing a pure line and a family for base group breeding chickens; step 3, identifying the pure line of base group breeding chickens and the family of base group breeding chickens; step 4, establishing a core group and a family for the selected and remaining breeding chickens and producing the new generation of family; step 5, producing ancestral breeding chickens through the new generation of family of breeding chickens in the step 4, producing parent breeding chickens through the ancestral breeding chickens, producing goods generation of chickens through the parent breeding chickens and obtaining the new strain of red Yao ma chickens. According to the breeding method of the red Yao ma chickens, the feather colors of the bred red Yao ma chickens are basically as same as each other, the feather colors of the appearance of cocks are red, black and yellow and the purity is 100%, and the ma feather colors of the appearance of hens are dark brown and red and the purity is more than 95%; the egg laying number of 66 week age of hen breeding is more than 140 every day and the hatching egg fertilization rate is more than 90%; 120 day age of cocks are more than 2100 g, 120 day age of hens are more than 1600 g, and the weight coefficient of variation is less than 10%.

The invention relates to a study method for a growth-development rule based on breeding hens with the maximum qualified hatching egg quantity. During confirmation, chicks are fed by means of the growth-development rule obtained through the study method, and results indicate that the laying rate of fed chicks is effectively improved, the average laying rate of the fed chicks is improved by about 10%, and the economic benefit is greatly improved; therefore, the study method for a growth-development rule based on breeding hens with the maximum qualified hatching egg quantity is important to the improvement of the laying egg quality of the breeding hens.

The invention mainly relates to the field of breeding technology and discloses a native chicken hatching egg fertility rate increasing method. The native chicken hatching egg fertility rate increasing method comprises breeder chicken selection, breeder chicken polyculture, breeder chicken separated culturing, breeder cock semen collection, breeder hen semen deposition, breeder chicken rearing and protection and hen feeding. The native chicken hatching egg fertility rate increasing method is simple and improves the percentage of fertilized eggs of native chicken hatching eggs to 97.6% and the economic income by 10.3%; 10-12 days before the application period, cocks and hens are cultured in a mixed mode at appropriate temperature with intermittent lighting to enhance the environmental adaptability of breeder chicken, to accelerate heat of the native chicken, to facilitate collective semen collection and deposition and accordingly to save the breeding cost; 4-5 days before the application period, the cocks and the hens are cultured in a separated mode and fed with different feedstuff to adjust the pH of the environment that chicken germ cells live, the temperature is reduced, weak intermittent lighting is applied, the lighting time is prolonged, metabolism of the breeder chicken is accelerated, the environmental adaptability and the stress resistance can be enhanced, maturation of the germ cells of the cocks and the hens can be promoted, viability of the germ cells can be improved and increase of percentage of the fertilized eggs can be achieved.

The invention relates to a culture medium efficiently culturing chicken coryza haemophilus paragallinarum and a preparation method and application of the culture medium. The culture medium is scientific and reasonable in formula, chick embryo allantoic fluid replaces serum, the cost can be greatly lowered, growth of the culture medium culturing the chicken coryza haemophilus paragallinarum is facilitated, compared with other culture media sold on the market, the cost is lowered by 20%-30%, the number of growing chicken coryza haemophilus paragallinarum thalli is increased by 5%-500%, and the culture medium can be widely used for culturing the chicken coryza haemophilus paragallinarum.

The invention aims to provide a breeding method of black-bone chickens. The method comprises the following steps of chick feeding, wherein chicks are fed with a nutrient solution 5-10 days before entering a chicken farm, the chicks are placed in a chicken house after entering the chicken farm and fed with primary feed, the temperature of the chicken house is kept at 30-35 DEG C, and the humidity of the chicken house is 65-70%; young chicken feeding, wherein when the chicks are fed till the weight is 0.2-0.4 kg, the chicks are driven into an open-air farm, intermediate feed is put at a fixed point, the temperature of the chicken house is kept at 20-25 DEG C, and the humidity of the chicken house is 50-60%; grown chicken feeding, wherein when the young chickens are fed for 5-6 weeks, the young chickens are transferred into a grown chicken house and fed with growing feed for 2-4 times every day, the chickens are fed with a growth regulation solution once every day, and when the chickens are 160-180 days old, the chickens can be slaughtered. The method overcomes the defects in the prior art and has the advantages of being comprehensive in nutrition, healthy and environmentally friendly.