Fecal prevalence and diversity of Salmonella species in lactating dairy cattle in four states

T. R. Callaway, J. E. Keen, T. S. Edrington, L. H. Baumgard, L. Spicer, E. S. Fonda, K. E. Griswold, T. R. Overton, M. E. VanAmburgh, R. C. Anderson, K. J. Genovese, T. L. Poole, R. B. Harvey, D. J. Nisbet

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Salmonella is one of the most serious foodborne pathogenic bacteria in the United States, causing an estimated 1.3 million human illnesses each year. Dairy cows can be reservoirs of foodborne pathogenic bacteria, including Salmonella spp.; it is estimated that from 27 to 31% of dairy herds across the United States are colonized by Salmonella. The present study was designed to examine the occurrence of Salmonella spp. on dairies and to examine the serotypic diversity of Salmonella isolates on sampled dairies from across the United States. Fecal samples (n = 60 per dairy) were collected from 4 dairies in each of 4 states for a total of 960 fecal samples representing a total population of 13,200 dairy cattle. In the present study, 93 of 960 samples (9.96%) collected were culture-positive for Salmonella enterica. At least one Salmonella fecal-shed-ding cow was found in 9 of the 16 herds (56%) and the within-herd prevalence varied in our study from 0% in 7 herds to a maximum of 37% in 2 herds, with a mean prevalence among Salmonella-positive herds of 17%. Seventeen different serotypes were isolated, representing 7 different Salmonella serogroups. There were 2 or more different serogroups and serotypes present on 7 of the 9 Salmonella-positive farms. Serotypes Montevideo and Muenster were the most frequent and widespread. From our data, it appears that subclinical colonization with Salmonella enterica is relatively common on dairy farms and is represented by diverse serotypes on US dairy farms.

Original languageEnglish (US)
Pages (from-to)3603-3608
Number of pages6
JournalJournal of Dairy Science
Volume88
Issue number10
DOIs
StatePublished - Oct 2005

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Salmonella
dairy cattle
serotypes
herds
dairies
Salmonella enterica
dairy farming
Bacteria
sheds
bacteria
human diseases
dairy herds
sampling
Serogroup
dairy cows
cows
farms
Population
Farms

Keywords

  • Fecal prevalence
  • Food safety
  • Salmonella

ASJC Scopus subject areas

  • Food Science
  • Animal Science and Zoology
  • Genetics

Cite this

Callaway, T. R., Keen, J. E., Edrington, T. S., Baumgard, L. H., Spicer, L., Fonda, E. S., ... Nisbet, D. J. (2005). Fecal prevalence and diversity of Salmonella species in lactating dairy cattle in four states. Journal of Dairy Science, 88(10), 3603-3608. https://doi.org/10.3168/jds.S0022-0302(05)73045-9

Fecal prevalence and diversity of Salmonella species in lactating dairy cattle in four states. / Callaway, T. R.; Keen, J. E.; Edrington, T. S.; Baumgard, L. H.; Spicer, L.; Fonda, E. S.; Griswold, K. E.; Overton, T. R.; VanAmburgh, M. E.; Anderson, R. C.; Genovese, K. J.; Poole, T. L.; Harvey, R. B.; Nisbet, D. J.

In: Journal of Dairy Science, Vol. 88, No. 10, 10.2005, p. 3603-3608.

Research output: Contribution to journalArticle

Callaway, TR, Keen, JE, Edrington, TS, Baumgard, LH, Spicer, L, Fonda, ES, Griswold, KE, Overton, TR, VanAmburgh, ME, Anderson, RC, Genovese, KJ, Poole, TL, Harvey, RB & Nisbet, DJ 2005, 'Fecal prevalence and diversity of Salmonella species in lactating dairy cattle in four states', Journal of Dairy Science, vol. 88, no. 10, pp. 3603-3608. https://doi.org/10.3168/jds.S0022-0302(05)73045-9
Callaway, T. R. ; Keen, J. E. ; Edrington, T. S. ; Baumgard, L. H. ; Spicer, L. ; Fonda, E. S. ; Griswold, K. E. ; Overton, T. R. ; VanAmburgh, M. E. ; Anderson, R. C. ; Genovese, K. J. ; Poole, T. L. ; Harvey, R. B. ; Nisbet, D. J. / Fecal prevalence and diversity of Salmonella species in lactating dairy cattle in four states. In: Journal of Dairy Science. 2005 ; Vol. 88, No. 10. pp. 3603-3608.
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