粪肠球菌对小鼠LD50的测定_动物医学_毕业论文设计_文库168网 关键词: 粪肠球菌; 人工感染; 半数致死量 [gap=944]Key words: Enterococcus faecalis; artificially infected; median lethal dose
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The organism must be found again in the artificially infected host .
必须在人工浸染的寄主中,再次发现这种有机体。
This drug have therapeutic effects on artificially infected chicken with E. coli, S. aureus and salmonellas.
方法:以体外抑菌实验和对人工感染细菌引起发病的雏鸡进行治疗。
When artificially infected with the virus, all animals and plants so far tried either die or kill the virus — except bats.
当所有的受试动物和植物感染此种病毒后要么被病毒消灭要么消灭病毒之时,只有编蝠是个例外。
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