父母雞群 的英文怎麼說
中文拼音 [fùmǔjīqún]
父母雞群
英文
parent flock-
The results of this study are summarized as follows : immune injecting man - made salmonella propolis inactivated vaccine and avian typhoid 9r live vaccine can protect flocks from infecting salmonella and immuning commercial chichling with man - made salmonella inactivated vaccine with medication can decrease death rate of chichling
研究表明:用禽傷寒9r株活疫苗配合自製沙門氏菌蜂膠滅活苗免疫注射父母代種雞,可有效防治種雞群再次感染沙門氏菌病;發病後的商品代雛雞用藥物治療的同時用自製沙門氏菌滅活苗免疫,可有效降低死亡率。
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