Urine and nitrogen balance of crossbred Holstein × Gyr non-supplemented (CON) heifers or supplemented with different levels of crude protein throughout the year.
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资源简介：
Urine and nitrogen balance of crossbred Holstein × Gyr non-supplemented (CON) heifers or supplemented with different levels of crude protein throughout the year.
创建时间：
2023-08-24
