搜索结果: 1-3 共查到“应用经济学 cows”相关记录3条 . 查询时间(0.453 秒)
Associations of reproduction and health with the performance and profit of dairy cows
culling rate fertility health profit
2016/9/1
The objective of the study was to evaluate the associations of the variable intensity in culling of dairy cows and culling due to the movement disorders, mammary gland diseases, long calving interval,...
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...
Profitability of dairy and suckler cows breeding on Czech farms
Czech agricultural policy profitability dairy cows suckler cows permanent grassland
2014/2/24
The EU Common Agricultural Policy enables to provide coupled payments for cattle breeding. The article compares the profitability in dairy cows and suckler cows breeding under the Czech agricultural p...