
不同粗饲料组合全混合日粮对泌乳奶牛瘤胃液微生物蛋白浓度24h变化和小肠微生物蛋白流量的影响
Different Roughage Combinations in Total Mixed Rations:Effects on Microbial Protein Concentration Variation in Rumen Fluid in 24 Hours and Its Flow in Small Intestine of Lactating Cows
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