PDF(2227 KB)
PDF(2227 KB)
PDF(2227 KB)
富硒和过瘤胃胆碱新型添加剂对围产期奶牛生产性能及健康状况的影响
A New Type of Additive with Selenium and Rumen-Protected Choline: Effects on Production Performance and Health Condition of Dairy Cows in Transition Period
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