纯系育种,纯种繁育
Breeding of the dwarf pink egg cross-stains. Introducing advantage white egg chickens into breeding programs, a dwarf pink egg cross strains was set up based on dwarf brown egg pure line using synthetic stain breeding technology.
矮小粉壳蛋鸡配套系的选育以矮小褐壳蛋鸡纯系为基础,引进国内外优良白壳蛋鸡品种,采用合成系的育种方法,组建了矮小粉壳蛋鸡蛋鸡配套系。
Estimates of population size in pure-line breeding of soybean
大豆纯系育种中群体规模的估计
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