Trends in prevalence of BSE in Switzerland based on fallen stock and slaughter surveillance.
Doherr
M G
MG
Department of Clinical Veterinary Medicine, University of Berne, Bern.
Hett
A R
AR
Cohen
C H
CH
Fatzer
R
R
Rüfenacht
J
J
Zurbriggen
A
A
Heim
D
D
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D016643:Encephalopathy, Bovine Spongiform / Q000453:epidemiology*; D005260:Female; D016014:Linear Models; D011159:Population Surveillance / Q000379:methods; D015995:Prevalence; D013557:Switzerland / Q000453:epidemiology