32 results about "Plumage" patented technology

The invention relates to a method for multirobot to search smell sources with cooperation under the dynamic smoke plumage environment, and the geometric centre of the working space is the common vertex, and divides the whole working space into several subareas, and each subarea is distributed with a robot randomly, and each robot among all the robots executes a smoke plumage discovery strategy in the working space of the corresponding subarea; when a robot in the working space detects the smoke plumage smell, the robot which detects the smoke plumage at first is immediately considered as an environment monitoring particle for monitoring the change of the smoke plumage in the environment and determining whether the particle swarm detects the smell source; other robots are considered as searching particles and employ multirobot cooperation searching method optimized from asynchronous parallel particle swarm for determining the scope of the smell source; according to the determined smell source scope, the robot which is considered as the environment monitoring particle employs a gradually forward method for gradually approaching the smell source, and when the concentration value of the gas detected by the robot as environment monitoring particle is higher than the preset value and the detected smell is sprayed in a form of directional airflow, the smell source is locked.

The present invention relates to an excellent-quality chicken maternal strain, in particular to a method for the strain breeding of the dark-shank spotty plumage chicken with dwarf gene, which belongs to the technical field of the dark-shank spotty plumage chicken with dwarf gene. The breeding procedures of the present invention are (1) selecting a cock of Chongren chicken and a hen having the dark-shank partridge in the grandparent hen group of the dwarf yellow-feather chicken as the breeding materials and selecting a normal-shaped cock having the dark-shank partridge character in the F1 generation after the hybridization of the cock and the hen; (2) Selecting the dark-shank partridge normal-shaped cock to be mated with the hen of the dark-shank partridge dwarf yellow-feather chicken and selecting the dark-shank partridge dwarf cock and the dark-shank partridge dwarf hen in the F2 generation; (3) cross-breeding and locking the selected dark-shank partridge dwarf cock and the dark-shank partridge dwarf hen so as to get the present invention after the breeding from generation to generation. Since the body of the maternal-strain chicken is short cultivated through the present invention, the chicken has the outstanding advantages of precocious puberty, high-yield of eggs and less feed consumption and cultivated space saving, which greatly reduces the production cost of the commodity generation chicken and improves the comprehensive benefit of the cultivation.

The invention discloses feed for local chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 250-300 parts of bamboo leaves, 200-250 parts of grass, 250-300 parts of soybean cake, 150-200 parts of corn, 100-200 parts of wheat, 30-50 parts of husk, 40-60 parts of potato residues, 50-70 parts of kelp residues, 30-40 parts of radish, 20-30 parts of pumpkin peel, 30-40 parts of apple powder, 20-30 parts of lotus root powder, 10-15 parts of beancurd, 4-5 parts of bone powder, 3-4 parts of edible salt, 1-2 parts of yeast extract, 2-3 parts of potato paste, 1-2 parts of pepper oil, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising local chicken, local chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

The present invention relates to a device for scalding poultry carcasses (2) comprising a plumage, comprising: a processing space with transport means in the form of a transport path for poultry carcasses; a feed of scalding medium; dispensing means (103,113) for the scalding medium provided with outlet openings, wherein the scalding medium leaving the outlet openings co-displaces with the poultry carcasses moving along the transport path. The present invention also relates to an improved method for scalding poultry.

The invention discloses a feed for Langshan chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 200-300 parts of bamboo leaves, 150-200 parts of leaves, 100-150 parts of tender grass, 100-150 parts of green vegetables, 200-300 parts of barley, 100-200 parts of sorghum, 100-150 parts of corn, 100-150 parts of peanut meal, 80-90 parts of soybean cake, 50-70 parts of fruit residues, 250-350 parts of earthworm powder, 200-300 parts of ant powder, 30-50 parts of straw bran, 20-30 parts of fermented bean curd, 10-20 parts of glutinous rice wine, 10-15 parts of sunflower seed oil, 8-10 parts of eggshell powder, 3-5 parts of egg white, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Langshan chicken, Langshan chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

The invention relates to a novel peacock green pheasant breeding method. The novel peacock green pheasant breeding method comprises the following steps: selecting a local pheasant as male parent and an American pheasant as a female parent for natural mating; hatching laid eggs to obtain a second-generation hybrid population; selecting cocks and hens with a relatively good plumage color from the second-generation hybrid population, as a base population; establishing a family of more than 30 chickens; in each family, naturally mating a second-generation hybrid cock with 5-10 second-generation hybrid hens; hatching laid eggs to obtain a third-generation hybrid population; performing cross breeding for more than 2 generations continuously; and eventually obtaining a new variety with a black hemp female body and a male parent with the similarity of the plumage color to the green peacock of more than 90%, wherein in the breeding process of each step, a pedigree record is establigreenhouse to avoid mutual mixture of different pedigrees. In bred green peacock pheasants, male bodies have highly consistent shapes and a green peacock plumage color, and the female bodies have a black hemp plumage color; the body weight is about 1000 g; the disease resistance is strong; the feed conversion and the egg production rate are high; and the bred green peacock pheasants are tender and delicious in meat and high in nutritional value.

The invention discloses a feed for Luhua chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 200-300 parts of bamboo leaves, 200-300 parts of green vegetables, 50-70 parts of pumpkin, 30-50 parts of rape flower, 10-20 parts of lavender, 300-400 parts of fermented soybean meal, 200-250 parts of paddy meal, 150-200 parts of oat powder, 30-40 parts of distiller grain, 20-30 parts of bran, 250-300 parts of earthworm powder, 100-200 parts of dried fly maggot powder, 30-40 parts of peanut powder, 10-20 parts of black bean powder, 20-40 parts of chicken sauce, 5-10 parts of shell powder, 4-5 parts of edible vinegar, 1-2 parts of fennel seed powder, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Luhua chicken, Luhua chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

The invention discloses a feed for Gushi chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 250-280 parts of bamboo leaves, 240-260 parts of grass, 200-220 parts of corn leaves, 120-160 parts of gracilaria lemaneiformis, 40-80 parts of rod chilli leaves, 10-20 parts of loquat flower, 200-300 parts of sesame seed meal, 180-220 parts of soybean meal, 140-180 parts of oat, 160-220 parts of fly maggot, 150-180 parts of swan-mussel, 40-70 parts of chlorella powder, 30-50 parts of tomato seeds, 20-30 parts of pine nut powder, 10-20 parts of Chinese date powder, 30-40 parts of bone soup, 5-7 parts of spicy got sauce, 8-10 parts of fish bone powder, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Gushi chicken, Gushi chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

The invention discloses a feed for Sanhuang chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 200-300 parts of bamboo leaves, 200-300 parts of sweet potato leaves, 200-300 parts of peanut meal, 200-250 parts of barley, 200-250 parts of sorghum, 70-80 parts of bran, 50-70 parts of cottonseed meal, 40-50 parts of mushroom sticks, 30-50 parts of orange residues, 30-50 parts of apple residues, 30-40 parts of soybean leaves, 150-200 parts of meat powder, 10-15 parts of corn oil, 30-40 parts of carrot leaves, 10-20 parts of green pepper, 10-20 parts of onion, 2-3 parts of edible salt, 3-5 parts of hazelnut meal, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Sanhuang chicken, Sanhuang chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

The invention relates a weakening agent of strong poisonous coccidian and process method, comprising following components: potassium bichromate, sodium chloride, sodium bicarbonate, glucose, potassium chloride, sodium nitride, and distilled water. Said weakening agent can weaken any kind of strong poisonous coccidian as E. tenena, taper, giant type, toxic type, and premature E. tenena. The chicklings injected this weakening agent is safe reliability and has high immunogenic. In addition, the invention use simple apparatus and can reduce cost 0.30 yuan every plumage, reduce mortality, increase laying rate and promote speed of growth compared to the method that preventing coccidian disease by drugs.

The invention relates to a device for gradient wrap line hairiness in the textile processing technical field. The device is made of erecting bed, pedestal, bracing frame, funneling rubbing device, heat setting device, orientation aspiration channel, first driving pulley, second driving pulley, yarn gatherer, yarn let-off gear (stand). The air inlet of orientation aspiration channel is corresponding with the outer side of the hollow cone outside wall surface, and implement lateral negative pressure-pumping on inner side of the hollow cone not only help to wrap the yarn hairiness orderly in fixed direction, preventing increase of fiber-gathering or yarn fault. Increasing hairiness holding strength of hollow cone side and diameter of the upper cone wall obviously exceeds that of the lower cone wall and diameter of the hollow cone, help to realize gradient wrapping of yarn hairiness, high-speed and high-efficiency looping, heat setting device carries out slot extruding and high-temperature shaping to yarn after plumage looping, increasing stability and consistency of looping structure.

The invention discloses a method for producing large circulation jacquard fabric using a dobby machine comprising following steps: reconstruction of a dobby machine: a machine control system main board is added, two groups of EEPROM, IC2 and IC3 are added to the main board to form a series connection with IC1 in the early jacquard card; (2) large jacquard pattern design: N-40 / 34FDFDY is selected as warp yarn and N-40 / 34FDFDY is selected as weft yarn, wherein the specification on machine is: the total ends in warp is 11184, 55.9plumage / in, 3 in / plumage, the width on machine is 66.69in, the weft density on machine is 165T / in; a basic structure is selected, and 1 to 12 pages straight draft is adopted; the patterns are amplified transversely, then the patterns are amplified vertically, and five-equal partition into one is used for amplifying the jacquard cards sequentially; (3) pattern combination: the patterns in the basic structure are combined again and gradually changed patterns are designed. The method of the invention overcomes the bottleneck of producing large circulation jacquard fabric by common dobby machines, which has high production efficiency.

The invention discloses a breeding method for improving a native chicken laying rate. Quality native chicken cocks in Meilin Mountain and quality spotty plumage cocks in Qingyuan are selected to be hybridized with laying hens of high laying rate, so that first male parents and first female parents are obtained, the first male parents are hybridized with second female parents to obtain second maleparents and second female parents, and quality hens in Shiqi are selected to be hybridized with the second male parents to obtain third male parents; quality spotty plumage cocks in Qingyuan are selected to be hybridized with the second female parents to obtain third female parents, the third male parents are hybridized with the third female parents to obtain fourth male parents, and quality laying hens with a high laying rate are selected to be hybridized with the fourth male parents to obtain fifth male parents and fifth female parents, and the fifth male parents are fixedly mated with the fifth female parents to obtain new species of native chicken. The new species can maintain quality chicken, improves the native chicken laying rate, meets consumer requirements for chicken and eggs, and satisfies consumers' meal needs better.

The invention discloses a feed for Xinghua chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 200-300 parts of bamboo leaves, 200-300 parts of Chinese cabbage, 100-150 parts of corn stigma, 70-90 parts of green bean, 30-50 parts of wax gourd peel, 300-400 parts of corn, 200-300 parts of wheat, 200-250 parts of broad beans, 100-150 parts of peanut, 50-70 parts of bran, 200-300 parts of earthworm, 100-200 parts of worm powder, 20-30 parts of strawberry juice, 10-20 parts of bread crumbs, 10-20 parts of ham powder, 5-10 parts of chili oil, 3-5 parts of edible salt, 3-5 parts of fine sand, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Xinghua chicken, Xinghua chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

The invention discloses a breeding method for accelerating moulting of pavo cristatus. The breeding method comprises the following steps that (1), seven-month-old healthy male peacocks which are ready to moult are selected, then the peacocks which are ready to moult are driven in an illumination room, consecutive illumination is conducted for 24 hours, feed is reduced by 50% in the two days before the moulting, and water is stopped; (2), during the period from the third day to the seventh day, feeding is stopped for 5 days, illumination is conducted for 8 hours every day, water is fed once inthe morning and evening from the third day, and the peacocks are fed in a house during the period without activity; (3), from the seventh day to the fourteenth day, 40 grams of feed is fed to each peacock every day, 10 grams of feed is increased for each peacock every day until free feeding is recovered, illumination is conducted for 10 hours every day, water is supplied, and an 3% zinc additiveand 2% shell powder are added to peacock feed during the seven days. According to the breeding method, water, feed and illumination are appropriately controlled, the feed containing special ingredients is fed, and living environment conditions are suddenly changed, so that the purpose of neat moulting is achieved, the number of days of natural moulting is effectively shortened, and high-quality and high-price feathers can be obtained.

The invention provides chicken feed for spotty plumage. The chicken feed is prepared from the following raw materials in parts by weight: 1200 to 1220 parts of maize, 400 to 420 parts of bean pulp, 160 to 180 parts of wheat bran, 127.4 to 130 parts of chaff powder, 26 to 28 parts of mountain flour, 30 to 32 parts of calcium hydrophosphate, 5 to 6 parts of table salt, 0.6 to 0.7 part of multivitamin, 1.5 to 2 parts of methionine, 1 to 1.5 parts of lysine, 2 to 3 parts of choline chloride, 0.4 to 0.5 part of vitamin E and 2 to 3 parts of trace element. The chicken feed for the spotty plumage, provided by the invention, is reasonable in formula; the immunity and the disease resisting capability of the spotty plumage can be improved; the spotty plumage is not easy to fall ill and is high in survival rate; chicken is high in protein content, tender in meat quality and free of hormone and chemical substances, so the safety of food is improved. The invention also provides a preparation method of the chicken feed for the spotty plumage.

The invention discloses a feed for Luyuan chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 280-300 parts of bamboo leaves, 240-280 parts of dasheen leaves, 180-240 parts of rapeseed leaves, 50-70 parts of pear, 20-50 parts of grape, 200-250 parts of shrimp meal, 150-200 parts of fish scale, 200-300 parts of wheat, 150-180 parts of black beans, 30-40 parts of chili meal, 30-40 parts of kudzu vine powder, 20-30 parts of gorgon fruit powder, 20-30 parts of cactus powder, 15-35 parts of carrot meal, 8-13 parts of sesame oil, 7-9 parts of fresh eggs, 6-8 parts of washed-out sands, 2-4 parts of thirteen-spices powder, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Luyuan chicken, Luyuan chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

The invention discloses a cultivation method of gray plumage black-bone chicken. The cultivation method includes the steps that a tile-like gray chicken and a Sichuan mountain dark-bone chicken intersect to serve as a male parent and a female parent and are hybridized to obtain A and B, A is backcrossed with the Sichuan mountain dark-bone chicken to obtain B1, B is backcrossed with the tile-like gray chicken to obtain B2, B1 and B2 intersect to serve as a male parent and a female parent and are hybridized to obtain C and D, C and D are hybridized to obtain F1, A and F1 are hybridized to obtain E, and E and F1 are hybridized to obtain F2. Compared with the traditional tile-like gray chicken, the gray plumage black-bone chicken has brighter plumage color and a purer gray plumage degree, the bodily form is increased by 15% or more, the growth period is shortened by 35% or more, the laying rate is increased by 20%, the production cost is reduced, which is beneficial for enlarging the development scale of the gray plumage black-bone chicken, the advantage of high nutrition value of the Sichuan mountain dark-bone chicken is kept, the mouthfeel, flavor and nourishing functions are good, and the effect of nourishment for vitality is achieved; compared with the traditional Sichuan mountain dark-bone chicken, the bodily form is increased by 20% or more, the growth period is shortened by 30% or more, and the survival rate is increased by 10% or more.

The invention discloses a breeding method for a novel native chicken species. Quality native chicken hens in Meilin Mountain and quality spotty plumage hens in Qingyuan are selected to be respectivelyhybridized with Peterson white feather broiler cocks to obtain first male parents and first female parents, the first male parents are hybridized with second female parents to obtain second male parents and second female parents, and quality hens in Shiqi are selected to be hybridized with the second male parents to obtain third male parents; quality spotty plumage cocks in Qingyuan are selectedto be hybridized with the second female parents to obtain third female parents, the third male parents are hybridized with the third female parents to obtain fourth male parents, Quality native chicken hens in Meilin Mountain are selected to be hybridized with the fourth male parents to obtain fifth male parents and fifth female parents, and the fifth male parents are fixedly mated with the fifthfemale parents to obtain the novel native chicken species. The novel species has quality chicken, growth speed and feed conversion rate are improved, and consumer requirements to chicken quality and quantity are met.

The invention discloses an assorted cultivating method for tufted five-foot green-shin small-crown black-feather native chicken. The assorted cultivating method for tufted five-foot green-shin small-crown black-feather native chicken comprises the following specific steps: S1, breeding homozygous dark-plumage-strain Wenchang Chicken (W strain); S2, selecting quick-plumage-strain (K strain) highestranking imperial concubine chicken and slow-plumage-strain (M strain) highest ranking imperial concubine chicken as a first male parent and a first female parent, and carrying out hybridization to generate F1 generation; S3, carrying out hybridization by taking the homozygous dark-plumage-strain Wenchang Chicken (W strain) in step S1 as a male parent and taking F1-generation hen generated in stepS2 as a female parent to obtain F2-generation cocks and hens which have quick feathers, tufted heads, five feet, white skin, green shins and small crowns. The small crowns mean that the front middleportion of each small crown is in the feature of a single crown, and the rear portion (the tail portion) of the crown has three small forks. All the hens are black, all the cocks are colored, and thehens and the cocks are exactly like native chicken. The ternary assorted hybridized F2 generation has appearance features which cannot be forged, and has plump feathers, carcasses are smooth and attractive, meat is delicious, fat is fewer, and the market prospect is remarkable.

The invention discloses a cultivation method of gray plumage black-bone chicken. The cultivation method includes the steps that a tile-like gray chicken and a Sichuan mountain dark-bone chicken intersect to serve as a male parent and a female parent and are hybridized to obtain A and B, A is backcrossed with the Sichuan mountain dark-bone chicken to obtain B1, B is backcrossed with the tile-like gray chicken to obtain B2, B1 and B2 intersect to serve as a male parent and a female parent and are hybridized to obtain C and D, C and D are hybridized to obtain F1, A and F1 are hybridized to obtain E, and E and F1 are hybridized to obtain F2. Compared with the traditional tile-like gray chicken, the gray plumage black-bone chicken has brighter plumage color and a purer gray plumage degree, the bodily form is increased by 15% or more, the growth period is shortened by 35% or more, the laying rate is increased by 20%, the production cost is reduced, which is beneficial for enlarging the development scale of the gray plumage black-bone chicken, the advantage of high nutrition value of the Sichuan mountain dark-bone chicken is kept, the mouthfeel, flavor and nourishing functions are good, and the effect of nourishment for vitality is achieved; compared with the traditional Sichuan mountain dark-bone chicken, the bodily form is increased by 20% or more, the growth period is shortened by 30% or more, and the survival rate is increased by 10% or more.

The invention discloses a feed for Xuanzhou chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 300-350 parts of bamboo leaves, 200-240 parts of mango leaves, 160-180 parts of sugarcane leaves, 50-90 parts of kelp, 20-40 parts of shaddock peel, 230-250 parts of paddy, 200-220 parts of barley, 140-180 parts of streaky pork, 140-160 parts of liver, 90-110 parts of shrimp, 60-80 parts of amaranth seed, 50-60 parts of glutinous rice flour, 20-40 parts of taro meal, 10-20 parts of acorn powder, 15-30 parts of sesame, 10-15 parts of lard oil, 5-7 parts of garlic leaf powder, 3-5 parts of edible salt, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Xuanzhou chicken, Xuanzhou chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.

[PROBLEMS] To provide a package for a lump of meat having voids within the inside thereof, which has an external form being substantially the same as that of a conventional package, is free from the deterioration in qualities such as appearance, color and smell, and can be stored for a long time.[MEANS FOR SOLVING PROBLEMS] A package produced by sealing a lump of meat having voids within the inside thereof with a mixed gas having a volume of 3 to 15% relative to the lump and having a carbon dioxide content of 8 to 90% and packaging. Lumps of meat having voids within the inside thereof include a fowl having been freed of the plumage and internal organs. A mixed gas having a carbon dioxide concentration of 8 to 90% and an oxygen concentration of 0.05 to 70% is preferably used as the previously-mentioned mixed gas. A packaging material having a shrinkage percentage of 15% or more or exhibiting a permeation degree for an oxygen gas at 23° C. and 80% RH of 200 ml / m2 datm or less can be suitably used for the package.

The present invention disclosed a molecular mark and application related to quail maroon feathers, which belongs to the field of preparation and application technology in poultry molecular marks (genetic marks).The present invention uses a quail CCDC171 gene N -terminal 10‑393 BP sequence of A / G base mutations as a genetic mark related to quail maroon feathers, which can be used to screen the hybrid individuals in the maroon feathers.The preparation method of this genetic label and its application in the quail screening of quail maroon feathers, and the application of quail and quail from other male and female supporting systems.The accuracy rate of this method is more than 99.6%, and it can make full use of the male quail that should be eliminated in the pure system and the mother quail used for egg production, which greatly improves the utilization rate of breeding enterprises to plant quails, saves breeding of breeding enterprises.cost.

The invention relates to a detection primer, a detection kit, a detection method and an application of chicken Columbia feather genotype, and belongs to the technical field of animal genetics and breeding. found in the present invention RAI14 The insertion of the 33-95th 63bp base sequence in the upstream region sequence of the gene is closely related to the chicken Colombian plumage traits, so the present invention utilizes RAI14 According to the characteristics of the upstream region of the gene, a PCR genotyping method for the insertion was established, and then the Columbia feather chicken gene could be typed. The detection method of chicken Columbia feather genotype provided by the present invention is simple in operation, fast in detection and accurate in results, which is conducive to more effective and rapid selection of Columbia feather traits in breeding practice, speeds up breeding progress, and saves breeding costs. Breeding for traits of feather chickens provides a quick molecular breeding method.

The invention relates to a method for cultivating a new strain of cross-spotted light reed chicken. The steps are: (1) selecting male and female chickens with cross-spotted light reed flower feather color mutated from local chicken breeds; (2) male and female self-propagation or After introducing high-yielding laying hens, cross-crossing was fixed, and male and female chickens with feather color were selected from the offspring; (3) The above-mentioned sex-linked genetic genes of A. Gene heterozygous individuals, select homozygous individuals; (4) carry out family selection and individual selection on homozygous cross-spotted light reed males and hens to improve their uniformity and production performance; (5) Steps (3) and (4) are repeated until the cross-spotted reed gene is stably inherited, and a new strain of cross-spotted light reed chicken is bred. The new strain of high-yield laying hens bred by the present invention is used as the female parent, and it is crossed with other local chickens with feather colors. The F1 generation can be sexed. appearance, and its two-line set can be used for eggs, and the three-line set can be used for meat.

The present invention relates to a device for scalding poultry carcasses comprising a plumage, comprising: a processing space with transport means in the form of a transport path for poultry carcasses; a feed of scalding medium; dispensing means for the scalding medium provided with outlet openings, wherein the scalding medium leaving the outlet openings co-displaces with the poultry carcasses moving along the transport path. The present invention also relates to an improved method for scalding poultry.

The invention discloses a method for cultivating black-feathered quail strains for eggs. Using the black-feathered feather color mutants naturally occurring in Korean quail hybrid populations for eggs as materials, the genes of strains such as Korean quail and Beijing white-feathered quail are introduced into the breeding method. The black-feathered quail strain is used for eggs, and the cultivation method of the present invention is short in time and fast in speed. The strain bred by the breeding method of the present invention maintains the advantages of high egg production, strong disease resistance, and easy management of Korean quail for eggs, and overcomes the shortcomings of Beijing white-feathered quail such as shyness and weak early viability, and has the same advantages as other feather-colored quails. Different plumage characteristics. Not only that, black-feathered quail can also be used to form a self-sex matching line with Beijing white-feathered quail and yellow-feathered quail. Once the quail comes out of the shell, the male and female can be identified by feather color. The identified female quail can be directly used for laying eggs, and the male quail It can be eliminated early or can be intensively fattened and sold as meat quail. This is of great significance for simplifying the identification of male and female, saving the cost of raising male quail in the early stage, and improving management efficiency.

The invention discloses a feed for Dagu chicken raised in bamboo groves and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 280-300 parts of bamboo leaves, 230-250 parts of pine leaves, 220-240 parts of ryegrass, 150-180 parts of sugarcane peel, 100-120 parts of asparagus, 70-80 parts of chili leaves, 10-20 parts of fresh tea leaves, 250-300 parts of sorghum, 200-250 parts of soybeans, 150-200 parts of millet, 200-300 parts of locust powder, 150-250 parts of ant powder, 20-30 parts of grass seeds, 10-20 parts of fermented glutinous rice, 10-15 parts of coix seed powder, 7-9 parts of radix angelicae powder, 7-8 parts of mashed garlic, 2-3 parts of fennel powder, 0.2-0.5 part of chicken additive and 70-80 parts of whey powder. When the feed is used for raising Dagu chicken, Dagu chicken can grow and develop fast, and have strong bones, full plumage, strong immunity and high survival rate; the chicken meat is tight, tender and delicious in taste, the eggs are excellent in quality and rich in nutrition, and eggs and meat have high medicinal value and good health and tonifying effects.