引起公牛繁殖障碍的因素分析
Henan Journal of Animal Husbandry and Veterinary Medicine（2006）
Abstract
1遗传性繁殖障碍
1.1隐睾
隐睾睾丸因位于腹腔,在公牛出生后的生长发育过程中睾丸发育受阻,不仅体积小,而且内分泌机能和生精机能均受到影响,甚至不产生精子.
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