Guizhou Yellow Chicken is a mother of Guizhou local chickens in Bijie, Weining and Xishui cities of Guizhou Agricultural College. The golden chickens with high egg weight, large New Hanxia chickens, and large yellow hairs are used as reference. The father, to carry out three varieties of complex exchanges. Since 1972, the flock has been established and has undergone 12 years of crossbreeding, locking, and systematic breeding. In 1985, the target of breeding was reached, and the blood of Golden Locke chicken was kept at 50%. The blood of New Han Xia chickens and local chickens was 25% each, with the characteristic of “three yellowsâ€. It is a kind of egg and chicken. The chicken has strong resistance, early growth and development, more eggs, good meat quality, beautiful feathers, color and other characteristics. Guizhou yellow chicken is of medium size, strong and well-balanced, with close feathers. The head is of medium size, wide chest, deep abdomen, long back flats, high legs, full plumage on the abdomen and legs, full body covered with brown-yellow feathers, and main wing feathers, main tail feathers and neck feathers with black flake or black spotted feathers. The skin is yellow, yellow-brown, single crown, yellow iris. The rooster has a crown, a cormorant, and a large crown. It has 5 to 7 crown peaks. The crown and roach are red. The feather color is deep, and the chest is erect and the figure is magnificent. Production performance: 1. Egg production Guizhou yellow chickens are put into production at 180 days old, producing more than 200 eggs each year and weighing 55 grams. The eggshell is light brown with an eggshell thickness of 0.33 mm, an oval egg shape, and an egg shape index of 1.35. The egg quality is good and the protein Hash unit is 83. 2. Meat-producing performance Guizhou Yellow Chicken had better meat quality. The content of 16 Amino Acids was determined by pectoral muscle sampling. The contents of glutamic acid and lysine were higher, being 13.67% and 9.09%, respectively. Slaughter determination: Semi-crooked slaughter rate: 83.95% of roosters, 81.44% of hens, and slaughter rate of whole hog: 76.21% of roosters, 70.13% of hens, tender meat, and delicious meat. The ratio of meat to meat is 1:4.2. 3. Reproduction performance: 50 % of the production date is 180 days, the fertilization rate is over 93 %, the hatching rate is over 85 %, and the 6-week-olding rate is over 93 %.
Amino acids are biologically important organic compounds composed of amine and carboxylic acid functional groups, along with a side-chain specific to each amino acid. With biological significance, amino acids are important in nutrition and are commonly used in Nutritional Supplements, fertilizers, and food technology. Industrial uses include the production of drugs, biodegradable plastics, and chiral catalysts.
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