研究者认为疯牛症会很自然地发生在两神秘品种只要找出这品种就不必像80年代英国全面扑杀所有牛群.

研究者认为疯牛症会很自然地发生在两神秘品种只要找出这品种就不必像80年代英国全面扑杀所有牛群.的英文翻译

基本释义

• Two cases of mad cow disease in Texas and Alabama seem to have resulted from a mysterious strain that could appear spontaneously in cattle, researchers say.