低氮条件下饲粮能量水平对藏羊尿嘌呤衍生物排出量和瘤胃微生物氮产量的影响
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Effects of Dietary Energy Level on Urinary Purine Derivatives Excretion and Ruminal Microbial Nitrogen Production of Tibetan Sheep under Low Nitrogen Condition
GUO Yamin, WANG Wenji, KANG Jingpeng, LIU Hu, JING Xiaoping, LONG Ruijun, ZHOU Jianwei
动物营养学报 . 2018, (12): 5002 -5012 .  DOI: 10.3969/j.issn.1006-267x.2018.12.028