World distribution of scrapie and control measures in various countries .

痒病的分布及各国采取的防控措施。

The national scrapie plan administrative centre nspac .

和国家羊搔痒症计画管理中心。

Thought to have started from feeding brain tissue from sheep having died of scrapie .

认为由饲喂死于痒病的绵羊脑组织引起。

Scrapie affects the central nervous system and causes severe itching or drowsiness .

痒病侵袭中枢神经系统，引起严重的瘙痒或昏睡。

There have never been scrapie , bovine spongiform encephalopathy , african horse sickness , african swine fever , vesicular stomatitis , lumpy skin disease , rift valley fever and peste-des-petits ruminants in china .

中国境内从未发生过痒病、牛海绵状脑病、非洲马瘟、非洲猪瘟、水泡性口炎、结节性皮炎、裂谷热和小反刍兽疫。