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采用渐进式饥饿法对蛋鸭实施早期强制换羽 被引量:1

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摘要 北方蛋鸭养殖受气候限制很大,一般养殖户在2—3月份接雏,6—7月份蛋鸭开产,11—12月份冬季到来后,产蛋率降低直至停产。一个产蛋季为150~180 d,平均产蛋率约为80%。此时的蛋鸭体重小、被毛不整齐,集中上市则价格低、经济效益差,很难实现盈利。笔者利用饥饿法对33周龄商品代蛋鸭进行早期强制换羽,换羽后开产整齐,产蛋率达85%以上且稳定。
作者 何凤琴
出处 《黑龙江畜牧兽医(下半月)》 CAS 2014年第10期38-39,共2页
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