Cause: foot and mouth disease (aftosa) or rinderpest, or the bovine spongiform encephalopathy (BSE) disease areas.
原因:属口蹄疫或牛瘟或牛状脑(疯牛)疫区。
Cause: foot and mouth disease (aftosa) or rinderpest, or the bovine spongiform encephalopathy (BSE) disease areas.
原因:属口蹄疫或牛瘟或牛状脑(疯牛)疫区。
Bovine Spongiform Encephalopathy(BSE) is harmful to the health of bovine,the BSE subvirus can infect to human being.
疯牛是一种严重危害牛类健康的疾,它的感染因子可传染给人类。
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