An examination of risk factors associated with beef cattle shedding pathogens of potential zoonotic concern | Epidemiology & Infection | Cambridge Core (original) (raw)
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Published online by Cambridge University Press: 28 August 2001
B. R. HOAR
Affiliation:
Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616
E. R. ATWILL
Affiliation:
Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616
T. B. FARVER
Affiliation:
Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616
Abstract
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The prevalence of three waterborne zoonotic pathogens (Campylobacter sp., Giardia sp. and Cryptosporidium parvum) in rectal faecal samples from a random sample of adult beef cattle was determined. Management factors that may be associated with shedding of these organisms were examined. For Campylobacter sp. prevalence was 5·0%, and the number of females on the farm was positively associated with the proportion that tested positive. For Giardia sp. prevalence was 6·5%, and none of the management factors examined was significantly associated with the proportion in a herd testing positive. C. parvum was identified in 1·1% of samples. The length of calving season and whether any procedures were performed on the calves in the first 2 days of life were positively associated with the proportion that tested positive. We conclude that this sample of adult beef cattle represent a relatively limited threat to water supplies and subsequent disease transmission to humans from these pathogens.
Information
Type
Research Article
Copyright
2001 Cambridge University Press