本文旨在评价使用CPM模型改善日粮能氮平衡和提高奶牛生产性能的效果。
The objective of this study was to evaluate CPM model in terms of improvement in performance of lactating cows by balancing dietary energy and protein.
本文介绍了影响干草制备的因素及化学干燥剂对干草制备和奶牛生产性能的影响。
The factors affecting the hay production and the influences of chemical desiccant on the production of hay and the performance of dairy cattle were introduced.
摘要本试验旨在研究热应激条件下不同代谢葡萄糖水平的饲粮对奶牛生产性能和生理指标的影响。
Abstract: This experiment was conducted to study the effects of dietary metabolizable glucose (MG) level on performance and physiological indices of dairy cows under heat stress.
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