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日粮中添加高硒钴锌苜蓿干草对奶牛生产水平的影响
郭 孝,介晓磊,邓红雨,李建平,胡华锋,蒋士传,黄安群
Effects of Alfalfa Hay with High Selenium, Cobalt and Zinc Supplemented in Diet on Production Level of Cows
GUO Xiao,JIE Xiao-lei,DENG Hong-yu,LI Jian-ping,HU Hua-feng
家畜生态学报 . 2012, (4): 18 -22 .