搜索结果: 1-1 共查到“畜牧经济学 vitamin A”相关记录1条 . 查询时间(0.031 秒)
The Technical and Financial Effects of Parenteral Supplementation with Selenium and Vitamin E during Late Pregnancy and the Early Lactation Period on the Productivity of Dairy Cattle
Reproductive Parameters Partial Budget Analysis Dairy Cattle
2016/5/18
This study aimed to determine the effects of parenteral selenium (Se) and vitamin E supplementation on economic impact, milk yield, and some reproductive parameters in high-yield dairy cows in the dry...