Breeding method of slaughtering and processing type green-footed hemp feather high-quality broiler chicken
A green-leg hemp and processing technology, which is applied in animal husbandry and other fields, can solve the problems of low growth rate and meat production performance, and achieve the effect of unique body shape, beautiful appearance and good breeding
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Publication Date
- 2019-06-28
Abstract
Description
technical field
[0001] The invention belongs to the field of poultry breeding methods, and in particular relates to a breeding method for slaughtered and processed high-quality broilers with green legs and hemp feathers. Background technique
[0002] High-quality broiler is a kind of breed compared with foreign fast and large white-feathered broiler. It refers to the breed that has been raised to a certain age, the meat quality is particularly delicious, and the flavor is unique. Local chicken breeds or hybrid improved chicken breeds mainly emphasize meat quality, such as green-legged chicken, three-yellow chicken, black chicken, silky chicken, etc. At this stage, the development of the high-quality broiler industry has put forward higher requirements for the advancement of breeding technology; in particular, the extension of the industrial chain to the back end has become increasingly prominent for the slaughter and processing of high-quality broiler breeds, that is, high-q...
Examples
Embodiment
[0038]Selection of sire line: The Canadian Red Polo broiler S01 rooster was crossed with the S08 broiler hen with green feet and hemp feathers bred by Sichuan Daheng Poultry Breeding Co., Ltd. to produce the F1 generation; The F2 generation was produced by backcrossing hens with hens with hemp feathers. In the F2 generation, male and female hens with fast growth were selected for cross-crossing and fixed to obtain the F3 generation. The body weight at 70 days was used as the judgment standard, and the male and hens with green feet and hens with fast growth were selected as the male line to establish the basic group of the B01 line. They were reared in single cages and artificially inseminated. According to the body weight of roosters at 300 days old and the egg production of hens at 300 days old, 80 families were selected and established as the core group of the first generation. According to this selection standard and family coefficient, the subsequent selection was carried o...