Identification of a mutant bovine herpesvirus-1 (BHV-1) in post-arrival outbreaks of IBR in feedlot calves and protection with conventional vaccination

Outbreaks of infectious bovine rhinotracheitis (IBR) have recently been observed in vaccinated feedlot calves in Alberta a few months post-arrival. To investigate the cause of these outbreaks, lung and tracheal tissues were collected from calves that died of IBR during a post-arrival outbreak of dis...

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Veröffentlicht in:	Canadian journal of veterinary research 2001-04, Vol.65 (2), p.81-88
Hauptverfasser:	Van Drunen Littel-Van Den Hurk, S, Myers, D, Doig, P.A, Karvonen, B, Habermehl, M, Babiuk, L.A, Jelinski, M, Van Donkersgoed, J, Schlesinger, K, Rinehart, C
Format:	Artikel
Sprache:	eng
Schlagworte:	Alberta - epidemiology Animals Antibodies, Viral - blood antibody formation body temperature body weight Bovine herpesvirus 1 calves Cattle disease course Disease Outbreaks - prevention & control Disease Outbreaks - veterinary feedlots Herpesvirus 1, Bovine - classification Herpesvirus 1, Bovine - genetics Herpesvirus 1, Bovine - immunology Herpesvirus 1, Bovine - isolation & purification Immunity, Cellular Immunization, Secondary - veterinary Infectious Bovine Rhinotracheitis - epidemiology Infectious Bovine Rhinotracheitis - prevention & control Infectious Bovine Rhinotracheitis - virology lesions monoclonal antibodies mutants Mutation nose outbreaks Random Allocation rhinotracheitis strain differences symptoms Time Factors vaccination Viral Vaccines Virus Shedding weight losses
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