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鸭抗病育种初探

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摘要 我国具有悠久的养鸭历史,早在公元前500年就有大群养殖蛋鸭和肉鸭的记载。进入20世纪80年代,我国养鸭业不断发展,逐渐由小规模家庭饲养方式走向集约化生产,饲养量平均每年以5%~8%的速度递增。在育种工作者的努力下,几十年来鸭的生产性能大幅提高,主要表现为生长速度快、料肉比低、产蛋率高。但随着鸭生产性能的提高,养殖规模的扩大,养鸭业也面临着各种疾病的威胁,如禽流感、
出处 《饲料工业》 北大核心 2012年第8期58-59,共2页 Feed Industry
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