Titre :
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Prevalence of bovine verotoxin-producing Escherichia coli in Argentina. (1998)
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Auteurs :
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M.E. SANZ ;
A.E. PARMA ;
M.R. VINAS ;
Immunochemistry and Biotechnology Unit. Animal Health Department. Faculty of Veterinary. University of the Centre Pba. Tandil. ARG
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Type de document :
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Article
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Dans :
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European journal of epidemiology (vol. 14, n° 4, 1998)
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Pagination :
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399-403
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Langues:
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Anglais
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Mots-clés :
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Bactérie
;
Bovin
;
Epidémiologie
;
Prévalence
;
Animal vertébré
;
Animal
;
Argentine
;
Amérique du Sud
;
Amérique
|
Résumé :
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[BDSP. Notice produite par INIST 5R0xzofG. Diffusion soumise à autorisation]. Faecal swabs obtained from 126 calves and 118 cows in Argentina were investigated for the presence of verotoxin-producing Escherichia coli (VTEC). VTEC strains were recovered from 10 (23%) of 43 calves with diarrhoea. from 24 (29%) of 83 healthy calves, from 40 (44%) of 91 healthy cows waiting at the slaughterhouse, and from 6 (22%) of 27 healthy grazing cattle. PCR showed that 21 (9%) of animals carried VT1+strains, 49 (20%) VT2+strains and 10 (4%) VT1+VT2+strains. VT1+strains predominated among calves (16% versus 0.8% ; p
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