Effects of farm manure-handling practices on Escherichia coli O157 prevalence in cattle

Thirty-six dairy herds in Idaho, Oregon, and Washington were selected on the basis of cattle housing and manure-handling practices. Approximately 60 fecal samples from heifers were collected monthly in each herd for 6 months and cultured for Escherichia coli O157. One hundred seventy-nine of 12,664...

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Bibliographic Details
Published in:Journal of food protection 1997-04, Vol.60 (4), p.363-366
Main Authors: Hancock, D.D, Rice, D.H, Herriott, D.E, Besser, T.E, Ebel, E.D, Carpenter, L.V
Format: Article
Language:English
Subjects:
Animal productions
Biological and medical sciences
BOVIN
BOVIN LAITIER
CATTLE
DAIRY CATTLE
ENFERMEDADES TRANSM POR ALIMENTOS
ESCHERICHIA COLI
ESTIERCOL
FARMYARD MANURE
Food industries
Food microbiology
FOODBORNE DISEASES
FUMIER
Fundamental and applied biological sciences. Psychology
GANADO BOVINO
GANADO DE LECHE
MALADIE TRANSMISSIBLE PAR ALIMENT
MORBIDITE
MORBIDITY
MORBOSIDAD
SEROPREVALENCE
Terrestrial animal productions
Vertebrates
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Summary:Thirty-six dairy herds in Idaho, Oregon, and Washington were selected on the basis of cattle housing and manure-handling practices. Approximately 60 fecal samples from heifers were collected monthly in each herd for 6 months and cultured for Escherichia coli O157. One hundred seventy-nine of 12,664 (1.41%) individual fecal samples from 27 of the 36 herds (75%) were culture positive for E. coli O157. Within-herd prevalence ranged from 0% to 5.5% with a strong clustering toward the lower end of this range. A tendency was observed for herds to maintain either a relatively low or high prevalence of E. coli O157. Prevalence of E. coli O157 was similar in herds which housed heifers in dry lots and on pasture with and without application of manure. Also, application of manure to cattle forage crops was not associated with the prevalence of E. coli O157 in dairy herds
ISSN:0362-028X
1944-9097
DOI:10.4315/0362-028X-60.4.363