[BSE tests are negative in 17,000 cows].
Urlings
B
B
D000367:Age Factors; D000818:Animals; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control; D009426:Netherlands / Q000453:epidemiology; D012307:Risk Factors