相较于前两年,今 年养成场并未检出白点症、草虾杆状病毒症、黄头病毒症及毛利病毒 症。
Compared to results in the previous two years, White Spot Syndrome (WSS), Monodon Baculovirus Disease, Yellowhead Disease and Mourilyan Virus Disease were not found this year.
这些病毒是从该国的头两个流行病死亡病例和一名危重病人上提取出来的。
The viruses were isolated from the first two fatal cases of pandemic influenza in the country and one patient with severe illness.
2004年3月,在同一家动物园,一头白虎因感染病毒死亡。
A white tiger died from infection with the virus at the same zoo in March 2004.
What if you're talking about a group of people that don't have any cows in their vicinity, let alone a sick cow?
万一你遇到一群人,他们附近连头奶牛都没有,更不用说受病毒感染的奶牛
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