PMID: 16502694Oct 1, 1976Paper

Tyzzer's disease in free-living cottontail rabbits (Sylvilagus floridanus) in Maryland

Journal of Wildlife Diseases
J R GanawayA M Allen

Abstract

Complement-fixing (CF) antibody to Bacillus piliformis antigen was found in 9 of 14 (64%) serum samples obtained from cottontail rabbits (Sylvilagus floridanus) killed in the wild. CF antibody was not present in the serum of 8 cottontail rabbits trapped as juveniles in the same geographic areas and held in captivity for 4 years. Sero-negative cottontail rabbits died acutely with lesions typical of Tyzzer's disease following the intragastric administration of 10(3.8) ELD50 of B. piliformis spores. The possible influence of Tyzzer's disease upon the cyclic population pattern of cottontail rabbits in the wild is discussed. A hypothesis is presented that B. piliformis spores passed in the feces of diseased wild animals could contaminate pastures, hay and grain, and thereby serve as sources of infection to other animals.

Citations

Mar 1, 1988·Australian Veterinary Journal·S Hum, F G Best
Jun 2, 2020·Frontiers in Veterinary Science·Laken S GanoeW David Walter
Nov 4, 2008·The Veterinary Record·V R SimpsonD L Williams

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