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. 2006 Nov;12(11):1730-6.
doi: 10.3201/eid1211.051581.

Clostridium difficile PCR ribotypes in calves, Canada

Alexander Rodriguez-Palacios  1 , Henry R Stämpfli, Todd Duffield, Andrew S Peregrine, Lise A Trotz-Williams, Luis G Arroyo, Jon S Brazier, J Scott Weese
Affiliations

Clostridium difficile PCR ribotypes in calves, Canada

Alexander Rodriguez-Palacios et al. Emerg Infect Dis. 2006 Nov.

Abstract

We investigated Clostridium difficile in calves and the similarity between bovine and human C. difficile PCR ribotypes by conducting a case-control study of calves from 102 dairy farms in Canada. Fecal samples from 144 calves with diarrhea and 134 control calves were cultured for C. difficile and tested with an ELISA for C. difficile toxins A and B. C. difficile was isolated from 31 of 278 calves: 11 (7.6%) of 144 with diarrhea and 20 (14.9%) of 134 controls (p = 0.009). Toxins were detected in calf feces from 58 (56.8%) of 102 farms, 57 (39.6%) of 144 calves with diarrhea, and 28 (20.9%) of 134 controls (p = 0.0002). PCR ribotyping of 31 isolates showed 8 distinct patterns; 7 have been identified in humans, 2 of which have been associated with outbreaks of severe disease (PCR types 017 and 027). C. difficile may be associated with calf diarrhea, and cattle may be reservoirs of C. difficile for humans.

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Figures

Figure
Figure
Clostridium difficile PCR ribotypes of bovine origin (dairy calves), Ontario, Canada, 2004. *Calf isolate classified as PCR ribotype 017 at the Anaerobe Reference Laboratory, University Hospital of Wales, Cardiff, United Kingdom. Isolates of human (lane 1), calf (lane 2), and canine (lane 3) origin identified in Ontario are indistinguishable. The first and tenth wells contain 100-bp molecular mass markers.
See this image and copyright information in PMC

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