Evidence of freedom from porcine reproductive and respiratory syndrome virus infection in Switzerland.
Canon
N
N
College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, USA.
Audigé
L
L
Denac
H
H
Hofmann
M
M
Griot
C
C
D000818:Animals; D004797:Enzyme-Linked Immunosorbent Assay; D019318:Porcine Reproductive and Respiratory Syndrome / Q000453:epidemiology* / Q000276:immunology; D019316:Porcine respiratory and reproductive syndrome virus / Q000302:isolation & purification*; D012698:Serologic Tests; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology* / Q000276:immunology; D013557:Switzerland / Q000453:epidemiology