1·They said that the total number of cows dying from BSE would be twenty thousand.
他们说死于疯牛病的奶牛总数会有2万头。
—— 《柯林斯英汉双解大词典》
2·The materials that can no longer be used in animal feed are the tissues that have the highest risk for carrying the agent thought to cause BSE.
那些不再被用于动物饲料的材料是那些具有高危险性的，易蕴含着代理商的错误念头从而引起疯牛病发生的组织结构。
3·There have been no vCJD cases linked to consumption of U.S. beef and the risk of BSE among U.S. cattle is low.
至此已经没有不同的Creutzfeldt-Jakob疾病个案与美国牛肉的消费有联系，以及在美国牛群中感染疯牛病的危险降低了。
4·As Canada progresses toward the eradication of BSE, the periodic detection of a small number of cases is fully expected.
由于加拿大在根除疯牛病方面取得的进步，少量病例的周期性发生已可以完全预测。
5·If the protein source was obtained elsewhere, how is it determined that it was not cross contaminated with bovine SRM from countries not of negligible BSE risk?
如果这些蛋白源来自于其它地方，那么如何确保不被来自于非疯牛病风险可忽略国家的特殊风险物质污染。