Short communication: Survival of Mycobacterium avium ssp. paratuberculosis in tissues of cows following low-dose exposure to electron beam irradiation.
This investigation was designed to determine the effects of low-dose electron beam irradiation on the survival of Mycobacterium avium ssp. paratuberculosis in tissue samples collected at necropsy from clinically affected cows. Mycobacterium avium ssp. paratuberculosis was isolated from the ileum and ileocecal valve of one cow and from the ileum of another cow irradiated at 4.0 kGy, but was not isolated from the ileum, ileocecal valve, or mesenteric lymph node of 11 other cows irradiated at 4 kGy.
Department of Veterinary Microbiology and Preventative Medicine, College of Veterinary Medicine, Iowa State University, Ames 50011.
John F
JF
Bode
Department of Veterinary Microbiology and Preventative Medicine, College of Veterinary Medicine, Iowa State University, Ames 50011. Electronic address: cthoen@iastate.edu.
Charles O
CO
Thoen
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D004583:Electrons; D005260:Female; D007082:Ileum / Q000382:microbiology; D008198:Lymph Nodes / Q000382:microbiology; D016927:Mycobacterium avium subsp. paratuberculosis / Q000302:isolation & purification / Q000502:physiology* / Q000528:radiation effects*; D010283:Paratuberculosis / Q000382:microbiology* / Q000532:radiotherapy*
Mycobacterium avium subspecies paratuberculosis; electron beam irradiation