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. 2009 Oct;73(4):275-82.

Prevalence and risk factor investigation of Campylobacter species in beef cattle feces from seven large commercial feedlots in Alberta, Canada

Sherry J Hannon  1 , Brenda Allan, Cheryl Waldner, Margaret L Russell, Andrew Potter, Lorne A Babiuk, Hugh G G Townsend
Affiliations

Prevalence and risk factor investigation of Campylobacter species in beef cattle feces from seven large commercial feedlots in Alberta, Canada

Sherry J Hannon et al. Can J Vet Res. 2009 Oct.

Abstract
in English, French

This fecal prevalence study targeted cattle from 7 large (10,000 to > 40,000 head) commercial feedlots in Alberta as a means of establishing Campylobacter levels in cattle just prior to animals entering the food chain. Overall, 87% [95% confidence interval (CI) = 86-88] of 2776 fresh pen-floor fecal samples were culture positive for Campylobacter species, with prevalences ranging from 76% to 95% among the 7 feedlots. Campylobacter spp. prevalence was 88% (95% CI = 86-90) in the summer (n = 1376) and 86% (95% CI = 85-88) in the winter (n = 1400). In addition, 69% (95% CI = 66-71) of 1486 Campylobacter spp. positive samples were identified as Campylobacter jejuni using hippurate hydrolysis testing. Of those, 64% (95% CI = 58-70) of 277 and 70% (95% CI = 67-72) of 1209 Campylobacter isolates were identified as C. jejuni in winter and summer, respectively. After accounting for clustering within pen and feedlot, feedlot size and the number of days on feed were associated with Campylobacter spp. isolation rates. The high isolation rates of Campylobacter spp. and C. jejuni in feedlot cattle feces in this study suggest a potential role for feedlot cattle in the complex epidemiology of campylobacters in Alberta.

Cette étude sur la prévalence fécale ciblait les bovins de 7 grands parcs d’engraissement commerciaux en Alberta (10 000 à > 40 000 têtes) afin d’obtenir des données sur les niveaux de Campylobacter chez les bovins tout juste avant leur entrée dans la chaîne alimentaire. De manière globale, 87 % [intervalle de confiance 95 % (CI) = 86–88] des 2776 échantillons fécaux frais prélevés sur les planchers se sont avérés positifs pour la présence de Campylobacter, avec des prévalences variant de 76 % à 95 % entre les 7 parcs. La prévalence de Campylobacter spp. était de 88 % (95 % CI = 86–90) durant l’été (n = 1376) et 86 % (95 % CI = 85–88) durant l’hiver (n = 1400). De plus, 69 % (95 % CI = 66–71) des 1486 échantillons positifs pour Campylobacter spp. ont été identifiés comme étant Campylobacter jejuni à l’aide du test d’hydrolyse de l’hippurate. Parmi ceux-ci, 64 % (95 % CI = 58–70) de 277 et 70 % (95 % CI = 67–72) de 1209 isolats de Campylobacter ont été identifiés comme C. jejuni, respectivement en hiver et en été. Après avoir pris en considération l’agrégation à l’intérieur d’un enclos et d’un parc, la taille du parc d’engraissement et le nombre de jours en hébergement ont été associés avec les taux d’isolement de Campylobacter spp. Les taux d’isolement élevés de Campylobacter spp. et de C. jejuni dans les fèces des bovins d’embouche obtenus dans la présente étude suggèrent un rôle potentiel pour les bovins d’embouche dans l’épidémiologie complexe des campylobacters en Alberta.

(Traduit par Docteur Serge Messier)

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References

    1. Moore JE, Corcoran D, Dooley JS, et al. Campylobacter. Vet Res. 2005;36:351–382. - PubMed
    1. Humphrey T, O’Brien S, Madsen M. Campylobacters as zoonotic pathogens: A food production perspective. Int J Food Microbiol. 2007;117:237–257. - PubMed
    1. Public Health Agency of Canada. Canada Communicable Disease Report (2005 data) [Last accessed May 16, 2009];2007 33(11):1–35. Available from www.phac-aspc.gc.ca/publicat/ccdr-rmtc/07pdf/cdr3311.pdf.
    1. Statistics Canada. Population by year, by province, by territory as of July 1 (2005 data) CANSIM Table 051-001. 2007. [Last accessed May 16, 2009]. Available from www.40.statcan.ca/l01/cst01/demo02a.html.
    1. Smith KE, Stenzel SA, Bender JB, et al. Outbreaks of enteric infections caused by multiple pathogens associated with calves at a farm day camp. Pediatr Infect Dis J. 2004;23:1098–1104. - PubMed

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