藏系绵羊瘤胃细菌数量及其放牧地牧草养分随季节变化的研究

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淡瑞芳,张海涛,龙瑞军,丁学智,张欣

Seasonal shift of rumen bacteria quantity of grazing Tibetan sheep and forage nutrition by grazing sheep

DAN Rui-fang, ZHANG Hai-tao, LONG Rui-jun, DING Xue-zhi, ZHANG Xin

草业学报 . 2009, (1): 100 -104 .