搜索结果: 1-1 共查到“养禽学 local chicken”相关记录1条 . 查询时间(0.046 秒)
Desired-gain selection indices for improving performance of two Tanzania local chicken ecotypes under intensive management
Breeding desired gain local chicken selection indices
2011/1/10
A study was carried out to evaluate various desired-gain selection indices (Yamada index) in improving performance of two chicken ecotypes of Tanzania viz. Kuchi and Tanzania Medium (Medium).