BBC1 年
The Cows are Mad: Ten things we learned about Mad Cow Disease
Bovine Spongiform Encephalopathy – or BSE as we came to ... Then he wondered if meat and bone meal – a powder made from animal remains, and added to cattle feed – could be to blame for ...
MercoPress12 年
Atypical BSE case detected among grass fed cattle in south Brazil
When the cow died it was buried and in no way did any flesh or bone become part of the food chain, not even meat or bone meal, pointed out the Brazilian authorities. Muzio said that things have ...
来自MSN8 个月
Mad cow disease is found on British farm for the first time in 3 years
Mad cow disease, or bovine spongiform encephalopathy (BSE), is a fatal neurological disease in cattle caused by ... to be spread by feeding calves meat and bone meal contaminated with BSE.