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几种常用的母牛发情鉴定方法

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摘要 母牛发情鉴定是繁育工作的基础,及时、准确地判断母牛是否发情及发情阶段,对掌握配种时机,适时配种,防止漏配、误配,提高配种率和受胎率十分重要。本文介绍几种常用的母牛发情鉴定方法。1外部观察法主要通过观察母牛的外部行为表现、精神状态来判断其发情情况,是母牛发情鉴定的主要方法。母牛发情时通常表现为兴奋不安、站立不卧、反应敏感、哞叫,两眼发红,排尿频繁,食欲减退,减少或停止反刍,尾跟举起,
出处 《中国畜牧兽医文摘》 2017年第11期67-67,共1页
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