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- 中等毒力IBD活疫苗infectious dursal disease intermediate live vaccine
- 两次免疫都应使用中等毒力的IBD疫苗毒株，并且最好采用饮水进行免疫。Both should be an "intermediate" vaccine strain of IBD and should preferably be administered in the drinking water.
- 中等毒力mesogenic
- 中等毒力株mesogenic strains
- 中等毒力株B87intermediate virulence strain B87
- 毒poison
- 鸽新城疫病毒中等毒力株感染的实验室诊断The lab diagnosis of Newcastle disease virus infection of a mesogenic strain in doves
- IBD试纸对中等毒力疫苗毒及标准强毒的检测试验Study on Detecting Moderate Vaccine Virus and Standard Violent Virus of IBD by Using Rapid Diagnosis Strip
- 毒力virulence
- 鸡新城疫中等毒力活疫苗生产中死胚胎儿利用试验Experiment for utilizing the death chicken embryo in production of Newcastle disease intermediate living vaccine
- 提高毒力exaltation of virulence
- 被降低的毒力decreased virulence
- 毒力岛pathogenicity island
- 毒力效果Toxicity Effect
- 毒力实验Virulence experiment
- 病毒毒力Virulence of NDV
- 毒力测定toxicity test
- 室内毒力bioactivity
- 超毒力的supervirulent
- 滞留毒力[医] residual toxicity
