Walters said that in the isolated northwest Hawaiian islands, the number of monk seals is declining by four percent every year.
沃尔特斯表示,在夏威夷西北部孤立的海岛,僧海豹数量每年都在减少4%。
Working with veterinarians on two continents, the group isolated this virus in 71 percent of the samples from infected birds, but none of the healthy individuals.
通过在两大洲与兽医们的协作,研究小组从71 %受感染的禽鸟中提取出该病毒,而在健康正常的禽鸟中没有提取出。
The bacteria isolated from the infected ducks were detected by the PCR assay and the positive coincidence rate comparing RA isolation with PCR was 100 percent .
以该PCR方法对可疑为鸭疫里默氏杆菌病鸭进行鉴定,结果与细菌分离鉴定吻合率为100%。
应用推荐