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yong leng dong jing ye shu jing ti gao mu niu shou tai lv de liang ge zhong yao huan jie
Author(s): 
Pages: 11-13
Year: Issue:  6
Journal: Liaoning Journal of Animal Husbandry & Veterinary Medicine

Keyword:  重要环节受胎率冷冻精液输精有效精子数输精器母牛输卵管受精部位子宫角黑白花奶牛;
Abstract: <正> 冷冻精液人工授精技术,我国是从七十年代初开始引进的。首先应用于黑白花奶牛,近几年又在猪、马、鸡等畜禽,甚至动物园中的一些动物试验,都取得了满意效果。特别是农村大规模的黄牛改良工作开展以后,冷冻精液配种技术得到更广
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