搜索结果: 1-1 共查到“家畜病理学 Organic”相关记录1条 . 查询时间(0.185 秒)
Risk factors associated with subclinical mastitis in dairy cows on Swiss organic and conventional production system farms
subclinical mastitis organic farms risk factors cows
font style='font-size:12px;'>
2015/3/13
Epidemiological studies comparing risk factors for subclinical mastitis (SM) in organic (OP) and conventional dairy production systems (CP) are lacking. In 60 OP and 60 CP farms, 970 cows were used to...