搜索结果: 1-1 共查到“生物学 genetic level”相关记录1条 . 查询时间(0.107 秒)
How do herd’s genetic level and milk quality affect performance of dairy farms?
genetic level dairy farm technical efficiency data envelopment analysis fractional regression model
2018/11/23
The effects of genetic level and output quality characteristics on technical efficiency (TE) of dairy farms were studied. The average total relative breeding value (RBV) at herd level was considered a...