搜索结果: 1-1 共查到“动物营养学 Stage of Lactation”相关记录1条 . 查询时间(0.077 秒)
Effect of herd, parity, stage of lactation and milk yield on urea concentration in milk
dairy cow milk urea non-nutritional factors
2015/6/2
The objective of this study was to determine how non-nutritional factors such as herd, parity, days in milk, milk production, and milk components affect the concentration of milk urea. A retrospective...