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Analysis of Dairy Reproduction
Author(s): WU Junjing, YANG Liguo, YAN Bangfu, LIU Xiaohua, QIAN Yunguo, JIN Erguang, ZUO Maoping, LI Kaiqiao, XIONG Min, CHENG Cheng, ZHANG Shujun
Pages: 28-
32
Year: 2010
Issue:
11
Journal: China Dairy Cattle
Abstract: 在过去的几十年中,世界奶牛繁殖性能都呈现整体下降的趋势,限制了全球奶业的持续发展,造成巨大的经济损失.为了系统全面地了解华中地区奶牛繁殖性能,本文统计分析了华中地区6 000多头奶牛与繁殖相关的生产性能,发现整体奶牛繁殖性能较差.奶牛繁殖性能降低与人们一味追求奶牛高产及长期忽略奶牛繁殖性能的选育有关.因此,在不断提高管理水平的同时,要注重提高奶牛的遗传基础;在对奶牛生产性状选育的同时,应该高度重视...
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