包被铜对西门塔尔牛日粮养分消化代谢和血液指标的影响
王聪;刘强;董宽虎;赵祥;黄应祥;董群;
EFFECTS OF RUMEN BY-PASS COPPER ON NUTRIENT METABOLITY OF DIET AND SERUM PHYSICO-CHEMICAL PARAMETERS IN SIMMENTAL STEER
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J4 . 2008, (06): 887 -891+828 .  DOI: 10.11869/hnxb.2008.06.0887