AN INTERNATIONAL panel of scientists says the US should test around 200,000 cattle a year for BSE to work out the prevalence of the disease. The US had planned to test only a fifth that number.
Highlighting how little we still know about prion diseases, the call last week was followed by a report from Italy that suggests there may be a second, hitherto unknown form of BSE in cattle.
Shortly after the US discovered its first known case of BSE last December, it asked a group of scientists from Switzerland, the UK, the US and New Zealand to…
