【摘要】 根据控制鸡羽色的金、银色基因的伴性遗传原理,用浅花羽型单交(江—13白洛克×海 红黄鸡)母鸡与浅黄羽杏花公鸡交配产生的后代,初生雏的浅灰毛色及白色个体为雄雏,黄色个体为雌雏,用肉眼直接鉴别雌雄的准确率 达100％。根据这规律可形成3系配套杂交自别雌雄的肉鸡繁育体系,生产自别雌雄的商品肉鸡。更多还原

【Abstract】 By crossing the roan feathered Single-cross hens (Jiang 13 white Rock hens X Haiho-nghuang) with light brown feathered Xing huang cocks, the chicks hatched with light gray/white colored feathers are all males, while the chicks with brown colored feathers were all females更多还原