搜索结果: 1-2 共查到“畜牧学 Body-weights”相关记录2条 . 查询时间(0.074 秒)
Calving difficulty as related to body weights and measurements of cows and calves in a herd of Gascon breed
beef cattle course of parturition pelvic measurements calving difficulty
2015/6/5
This study was conducted to evaluate the body weights and measurements of 86 Gascon calves and their dams. The effects of the course of parturition, parity of the dams, sex of the calves, and live- or...
On station and on-farm evaluation of two Tanzania chicken ecotypes for body weights at different ages and for egg production
Body-weights egg-traits chicken-ecotype
2009/3/4
A study was carried out to evaluate genetic potential of two chicken ecotypes of Tanzania viz. Kuchi and Medium managed both under intensive and extensive management systems. Traits studied unde...