PDF(1333 KB)
PDF(1333 KB)
PDF(1333 KB)
饲粮氮水平对牦牛尿嘌呤衍生物排出量与瘤胃微生物氮产量的影响
Effects of Dietary Nitrogen Level on Urine Purine Derivatives Excretion and Microbial Nitrogen Production in Yaks
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