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n.产毒性
1、The isolation and toxigenicity determination of Newcastle disease virus in ostrich───鸵鸟新城疫病毒的分离及毒力测定
2、Toxigenicity testing proved that bacteriostatic rate was 93.7% with 70% Thiophanate-methyl and 91.4%with 45% Amobam.───药剂毒力筛选测试效果70%甲基托布津的抑菌率为93.7%；45%代森铵水剂抑菌率为91.4%。
3、The results showed that different carbon sources could affect the isolate toxigenicity significantly.───结果表明：不同碳源对菌株产毒性影响显著。