川渝地区奶牛隐性乳房炎调查和主要病原菌分离鉴定及药敏试验
천투지구내우은성유방염조사화주요병원균분리감정급약민시험
Isolation, identification and drug sensitivity test of main pathogenic bacteria of bovine subclinical mastitis in Sichuan and Chongqing Area
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