肉牛日粮补饲铜对瘤胃VFA浓度和尿中嘌呤衍生物排出量的影响
육우일량보사동대류위VFA농도화뇨중표령연생물배출량적영향
Effects of Dietary Copper Supplementation as Cupric Sulfate on Rumen Fermentation and Urinary Excretion of Purine Derivatives in Steers
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