搜索结果: 1-1 共查到“经济学 Milk Yield”相关记录1条 . 查询时间(0.125 秒)
Dairy farm profit according to the herd size,milk yield,and number of cows per worker
cows profit production reproduction
2016/6/3
The study evaluates the associations of the farm herd size (HERD), the milk yield (MY, kg/cow per year), and cows per worker (CW) with the production, reproduction, and economic traits in 60 commercia...