PDF(1118 KB)
PDF(1118 KB)
PDF(1118 KB)
过瘤胃蛋氨酸对奶牛瘤胃体外发酵及泌乳奶牛生产性能的影响
Effects of Rumen Protected Methionine on in Vitro Ruminal Fermentation and Performance of Lactating Dairy Cows
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