IBR virus isolated from two epizootics in Mexican dairy cattle.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D005260:Female; D007242:Herpesvirus 1, Bovine / Q000302:isolation & purification*; D007241:Infectious Bovine Rhinotracheitis / Q000382:microbiology; D008800:Mexico