过瘤胃赖氨酸和过瘤胃蛋氨酸对泌乳早期奶牛生产性能影响的研究
과류위뢰안산화과류위단안산대비유조기내우생산성능영향적연구
Influence of Rumen-protected Lysine and Rumen-protected Methionine on Early Lactating Cow Performance
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