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The preliminary study on regulating sheep reproduction with hormone
Author(s): 
Pages: 40-42
Year: Issue:  3
Journal: GRASS-FEEDING LIVESTOCK

Keyword:  绵羊(细毛羊、土种羊)繁殖季节生殖激素诱导发情产羔率;
Abstract: 为探索应用激素调控绵羊繁殖生产,诱导绵羊非繁殖季节发情配种,挑选细毛羊和部分土种羊经产母羊共计257只,分成三组,即Ⅰ组70只细毛羊,第Ⅱ组157只细毛羊和Ⅲ组30只土种羊,用外源促性腺激素进行诱导发情处理,结果Ⅰ组产羔率达到了51.43%,比Ⅱ组的产羔率32.48%高出18.95个百分点(P《0.01),比Ⅲ组的6.67%高出44.76个百分点(P《0.01),Ⅱ组比Ⅲ组高出25.81个百分点(P《0.01).研究表明应用生殖激素对细毛羊在非繁殖季节实施诱导发情是可行的,土种羊对外源促性腺激素的应答没有细毛羊敏感.
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