Method for cross-breeding of black-bone chickens having black feathers

Abstract

The invention discloses a method for cross-breeding of black-bone chickens having black feathers. Black-bone chickens having white feathers are selected for culture, individually robust cocks are selected as first-generation male parents, local chickens are selected for culture, individually robust hens are selected as first-generation female parents, a first-generation variety is produced through crossing and then used as second-generation male parents to be crossed with laying hens which have red feathers and are used as second-generation female parents, a second-generation variety is obtained and used with third-generation female parents to be crossed with five-black chickens used as third-generation male parents, and the black-bone chickens having the black feathers are obtained. With the adoption of the method, the black-bone chickens having the black feathers and stable inheritable characters can be obtained, both chicken and eggs of the black-bone chickens having the black feathers can be used, individual chickens grow quickly, the chicken is delicious, and the method has the good economic benefit in actual application.

Description

technical field [0001] The invention relates to a method for cultivating poultry varieties, in particular to a method for cross-breeding black-bone chickens. Background technique [0002] Black-feathered black-bone chicken, also known as medicine chicken, black-bone chicken, black-bone chicken, is a rare bird with natural black medicinal nourishment. Its distinctive feature is "five black and one green", namely black feathers, black skin, black bones, black meat, black Viscera, produce green shell eggs. Black feather silky chicken is tender in texture, fragrant and dry, delicious in taste, and has high practical and ornamental value. Tested by relevant national departments, the chicken is rich in protein, amino acid, vitamin A, D, E, calcium, iron, zinc and other nutrients needed by the human body, and its nutritional content is two to three times higher than that of ordinary native chickens. , and the fat content is extremely low, it is a pure natural high-nutrition hea...

AI Technical Summary

Problems solved by technology

Tested by relevant national departments, the chicken is rich in protein, amino acid, vitamin A, D, E, calcium, iron, zinc and other nutrients needed by the human body, and its nutritional content is two to three times higher than that of ordinary native chickens. , and the fat content is extremely low, it is a pure natural high-nutrition health food, and it is also a good gift for relatives and friends, but the existing growth rate is not fast enough, and the breeding efficiency is not high