搜索结果: 1-1 共查到“家畜育种学 extensive management system”相关记录1条 . 查询时间(0.046 秒)
Bovine Mastitis in Zebu and Crossbred Cattle under the Extensive Management System in Tanzania
Zebu Crossbred Management Environment Bacteria Cell Counts
2016/4/11
A study was carried out to evaluate the incidences and causes of bovine mastitis in Tanzanian shorthorn zebu (Bos indicus) in the traditional sector and crossbred cows (Bos taurus Bos indicus) in the ...