study of animal-borne infections in the mucosas of patients with inflammatory bowel disease and population-based controls.crohn's disease may be triggered by an infection, and it is plausible to consider that such an infection may be animal borne and ingested with our food. there has been considerable interest in the past in determining whether mycobacterium avium subsp. paratuberculosis (m. avium) might be the etiologic agent in crohn's disease since it causes a disease in cattle that is similar to crohn's disease in humans. we aimed to determine if there was an association between crohn's disease and infection wi ...200314605128
seroprevalences of antibodies against bovine leukemia virus, bovine viral diarrhea virus, mycobacterium avium subspecies paratuberculosis, and neospora caninum in beef and dairy cattle in manitoba.of 1204 dairy cows and 1425 beef cows sampled, 60.8% and 10.3% were seropositive for bovine leukemia virus, 4.5% and 1.7% were seropositive for mycobacterium avium subspecies paratuberculosis, and 8.3% and 9.1% were seropositive for neospora caninum, respectively, while 28.1% of dairy herds had unvaccinated animals with titres > or = 1:64 for bovine viral diarrhea virus.200616933557
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