搜索结果: 1-3 共查到“家畜繁殖学 Grazing”相关记录3条 . 查询时间(0.078 秒)
Reproductive Performance of Holstein Dairy Cows Grazing in Dry-summer Subtropical Climatic Conditions: Effect of Heat Stress and Heat Shock on Meiotic Competence and In vitro Fertilization
Artificial Insemination Heat Shock Oocyte Meiotic Maturation Maternal Heat Stress
2016/5/18
The present study was designed to evaluate how environmental factors in a dry-summer subtropical climate in Terceira-Azores (situated in the North Atlantic Ocean: 38° 43′ N 27° 12′ W) can affect dairy...
Effect of a Copper, Selenium and Cobalt Soluble Glass Bolus Given to Grazing Yaks
Yak Trace Elements Controlled Release Supplementation
2016/5/3
Two field trials were carried out to evaluate the performance of a soluble glass copper, cobalt and selenium bolus for maintaining adequate levels of the three trace elements in yaks. Forty yaks were ...
Effect of Flushing on Nutrient Utilization and Reproductive Performance of Ewes Grazing on Community Rangeland
Flushing Nutrient Utilization Reproductive Performance Ewes Community Rangeland
2016/4/21
The present study was undertaken to evaluate the effect of flushing of ewes with concentrate pellets just before the mating season on their nutrient utilization and reproductive performance on farms. ...