Prevalence of Salmonella spp in cull (market) dairy cows at slaughter

H. Fred Troutt, John C. Galland, Bennie I. Osburn, Robert L. Brewer, R. Kenneth Braun, John A Schmitz, Phil Sears, Asa B. Childers, Ed Richey, Edward Mather, Michael Gibson, Kris Murthy, Alan Hogue

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Objective - To determine the prevalence of Salmonella spp in the cecal-colon contents of cull (market) dairy cows at slaughter because of potential public health ramifications. Design - Survey study. Sample Population - Cecal-colon contents collected from 5,087 cull (market) dairy cows at slaughter at 5 slaughter establishments across the United States. Procedure - During 2 periods of the year, winter (January and February) and summer (July through September), 5 cull (market) cow slaughter establishments in the United States - west (WE), southeast (SEE), central (CE), north central (NCE), and south central (SCE) - establishments were visited, and cecal-colon contents of cull dairy cows were obtained at the time of slaughter. Samples were examined by microbiologic culture at a single laboratory for Salmonella spp. Results - Salmonella spp were detected in 23.1% of cecal-colon content samples from cull dairy cows across the 5 slaughter establishments. The highest site prevalence (54.5%) was detected at the WE during the summer period, whereas the lowest was found at the CE during the summer (4.3%) and at the NCE during the winter (4.5%). Considerable variation in the daily prevalence of Salmonella spp was found, particularly at the WE and the SCE. Salmonella spp were isolated from 93% of cecal-colon contents collected on a summer day at the WE. Conclusions and Clinical Relevance - Results strongly suggest that there is a high prevalence of Salmonella spp in cull dairy cows at slaughter, which could burden Hazard Analysis Critical Control Point programs implemented in slaughter establishments. Procedures to reduce Salmonella load at the dairy farm and during transport to slaughter could reduce the risk of spread during the slaughter process.

Original languageEnglish (US)
Pages (from-to)1212-1215
Number of pages4
JournalJournal of the American Veterinary Medical Association
Volume219
Issue number9
StatePublished - Nov 1 2001
Externally publishedYes

Fingerprint

Salmonella
slaughter
dairy cows
markets
Colon
colon
summer
Hazard Analysis and Critical Control Points
winter
HACCP
Public Health
sampling
dairy farming
public health
Population
cows

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Troutt, H. F., Galland, J. C., Osburn, B. I., Brewer, R. L., Braun, R. K., Schmitz, J. A., ... Hogue, A. (2001). Prevalence of Salmonella spp in cull (market) dairy cows at slaughter. Journal of the American Veterinary Medical Association, 219(9), 1212-1215.

Prevalence of Salmonella spp in cull (market) dairy cows at slaughter. / Troutt, H. Fred; Galland, John C.; Osburn, Bennie I.; Brewer, Robert L.; Braun, R. Kenneth; Schmitz, John A; Sears, Phil; Childers, Asa B.; Richey, Ed; Mather, Edward; Gibson, Michael; Murthy, Kris; Hogue, Alan.

In: Journal of the American Veterinary Medical Association, Vol. 219, No. 9, 01.11.2001, p. 1212-1215.

Research output: Contribution to journalArticle

Troutt, HF, Galland, JC, Osburn, BI, Brewer, RL, Braun, RK, Schmitz, JA, Sears, P, Childers, AB, Richey, E, Mather, E, Gibson, M, Murthy, K & Hogue, A 2001, 'Prevalence of Salmonella spp in cull (market) dairy cows at slaughter', Journal of the American Veterinary Medical Association, vol. 219, no. 9, pp. 1212-1215.
Troutt HF, Galland JC, Osburn BI, Brewer RL, Braun RK, Schmitz JA et al. Prevalence of Salmonella spp in cull (market) dairy cows at slaughter. Journal of the American Veterinary Medical Association. 2001 Nov 1;219(9):1212-1215.
Troutt, H. Fred ; Galland, John C. ; Osburn, Bennie I. ; Brewer, Robert L. ; Braun, R. Kenneth ; Schmitz, John A ; Sears, Phil ; Childers, Asa B. ; Richey, Ed ; Mather, Edward ; Gibson, Michael ; Murthy, Kris ; Hogue, Alan. / Prevalence of Salmonella spp in cull (market) dairy cows at slaughter. In: Journal of the American Veterinary Medical Association. 2001 ; Vol. 219, No. 9. pp. 1212-1215.
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abstract = "Objective - To determine the prevalence of Salmonella spp in the cecal-colon contents of cull (market) dairy cows at slaughter because of potential public health ramifications. Design - Survey study. Sample Population - Cecal-colon contents collected from 5,087 cull (market) dairy cows at slaughter at 5 slaughter establishments across the United States. Procedure - During 2 periods of the year, winter (January and February) and summer (July through September), 5 cull (market) cow slaughter establishments in the United States - west (WE), southeast (SEE), central (CE), north central (NCE), and south central (SCE) - establishments were visited, and cecal-colon contents of cull dairy cows were obtained at the time of slaughter. Samples were examined by microbiologic culture at a single laboratory for Salmonella spp. Results - Salmonella spp were detected in 23.1{\%} of cecal-colon content samples from cull dairy cows across the 5 slaughter establishments. The highest site prevalence (54.5{\%}) was detected at the WE during the summer period, whereas the lowest was found at the CE during the summer (4.3{\%}) and at the NCE during the winter (4.5{\%}). Considerable variation in the daily prevalence of Salmonella spp was found, particularly at the WE and the SCE. Salmonella spp were isolated from 93{\%} of cecal-colon contents collected on a summer day at the WE. Conclusions and Clinical Relevance - Results strongly suggest that there is a high prevalence of Salmonella spp in cull dairy cows at slaughter, which could burden Hazard Analysis Critical Control Point programs implemented in slaughter establishments. Procedures to reduce Salmonella load at the dairy farm and during transport to slaughter could reduce the risk of spread during the slaughter process.",
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