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Donald Knowles directs the animal disease research unit in the Agricultural Research Service, part of the United States Department of Agriculture. The service is working with the International Livestock Research Institute in Kenya to find better ways to prevent parasitic diseases in cattle. Dr. Knowles is also a professor at Washington State University.
唐纳德.诺尔斯是农业研究院动物疾病研究所的主任，该研究院隶属美国农业部，目前正与肯尼亚国际家畜研究所合作，以寻找预防家畜感染寄生虫病的更好方法。诺尔斯博士也是华盛顿州立大学教授。
He points out that East Coast fever is not a contagious disease, so animals cannot give it to each other.
他说东海岸热不是传染病，因此在动物之间不会传染。
注释：
East Coast fever：【兽医学】 东海岸热
tick：扁虱，壁虱，滴答声，记号
parasite：寄生虫，食客
organism：生物，生物体，有机体，微生物
contagious：会传染的，会蔓延的
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作者: Bree 时间: 2011-12-5 20:54
East Coast fever kills hundreds of thousands of cattle in easten and central Africa every year, the animals become infected when they get bitten by ticks carrying the parasite that causes the disease, a parasite is an organism that feeds on other organisms.
?? directs the animal disease research unit in the agricultural research service, part of the united states department of agriculture, the service is working with international ?? stock research institute in ?? to find better ways to prevent parasite diseases in cattle, Doctor ?? is also a professor at washington state university, he points out that east coast fever is not a contagious disease, so animals can not give it to each other
