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bu tong pin xi zhong gong niu jing ye pin zhi de cha yi fen xi
Author(s): CHEN Xing, WANG Lisheng, LIU Guohua, NIAN Siqing
Pages: 32-
34
Year: 2000
Issue:
3
Journal: CHINA DAIRY CATTLE
Keyword: 种公牛; 品系; 精液品质;
Abstract: 选择安徽省保健种公牛站所饲养荷斯坦种公牛中的三个品系(德系、美系、日系)共5头,按常规方法采集精液,并对其品质进行分析比较.结果表明:德系公牛精液的活力与冻后活力极显著高于日系(P<0.01);德系公牛的原精密度高于美系和日系,但三者差异均不显著(P<0.05);顶体完整率,美系显著高于德系,德系极显著高于日系;畸形率,日系与德系均极显著高于美系(P<0.01),但日系与德系无显著差异;采精量,日系极显著高于德系和美系((P<0.01).
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