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Home / Equine Research Bank / J Am Vet Med Assoc / Fecal shedding of Salmonella spp by horses in the United Sta...
Journal of the American Veterinary Medical Association2000; 217(2); 226-230; doi: 10.2460/javma.2000.217.226

Fecal shedding of Salmonella spp by horses in the United States during 1998 and 1999 and detection of Salmonella spp in grain and concentrate sources on equine operations.

Abstract: To estimate prevalence of fecal shedding of Salmonella spp among horses in the US horse population and prevalence of Salmonella spp in grain or other concentrate used as horse feed on equine operations in the United States. Methods: Cross-sectional survey. Methods: Horses on 972 operations in 28 states. Methods: Fecal samples were collected from horses resident at each operation. Only a single sample was collected from any individual horse; number of horses from which samples were collected on each operation was determined on the basis of number of horses on the operation. A single sample of grain or concentrate was also collected from each operation. All samples were tested for Salmonella spp by means of bacterial culture. Results: Overall, 0.8% (SE, 0.5) of resident horses shed Salmonella spp in their feces. The overall prevalence of operations positive for fecal shedding of Salmonella spp (i.e., operations with > or = 1 horse shedding Salmonella spp in its feces) was 1.8% (SE, 0.7). Prevalence of grain or other concentrate samples positive for Salmonella spp was 0.4%. Serotypes of Salmonella spp that were identified in grain or other concentrate were not those typically associated with clinical disease in horses. Conclusions: Results suggest that the national prevalence of fecal shedding of Salmonella spp by horses in the United States was 0.8%, and that prevalence of Salmonella spp in grain or other concentrate used for horse feed was 0.4%.
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Publication Date: 2000-07-26 PubMed ID: 10909464DOI: 10.2460/javma.2000.217.226Google Scholar: Lookup
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  • Journal Article

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research aims to understand the prevalence of Salmonella bacteria in feces of the United States’ horse population and in the grains used as horse feed. The study found that 0.8% of horses were shedding Salmonella in their feces and 0.4% of grains used for horse feed tested positive for Salmonella.

Objective and Methodology

  • The primary goal of this study was to determine the prevalence of fecal shedding of Salmonella spp among horses and also to detect the presence of the bacteria in grain or other concentrate used as horse feed in the United States.
  • This study was a cross-sectional survey conducted on 972 horse operations across 28 states.
  • Fecal samples from each horse were collected. Furthermore, on each horse operation, a single sample of grain or concentrate was obtained for examination.
  • Testing for Salmonella was done through bacterial culture.

Results

  • The results showed that overall, 0.8% of the resident horses shed Salmonella spp in their feces.
  • The overall prevalence of operations positive for fecal shedding of Salmonella spp, that is, operations with one or more horse shedding Salmonella spp in its feces, was 1.8%.
  • Furthermore, the prevalence of grain or other concentrate samples testing positive for Salmonella spp was 0.4%.
  • The serotypes of Salmonella spp identified in grain or other concentrate were not typically associated with clinical diseases in horses.

Conclusions

  • The study concluded that the national prevalence of horses in the United States shedding Salmonella spp in their feces was 0.8% and the prevalence of Salmonella spp in grain or other concentrate used as horse feed was 0.4%.
  • This suggests that Salmonella contamination is relatively low but still present in the equine population and their food sources. It underscores the need for ongoing surveillance to monitor and manage this potential health risk.

Cite This Article

APA
Traub-Dargatz JL, Garber LP, Fedorka-Cray PJ, Ladely S, Ferris KE. (2000). Fecal shedding of Salmonella spp by horses in the United States during 1998 and 1999 and detection of Salmonella spp in grain and concentrate sources on equine operations. J Am Vet Med Assoc, 217(2), 226-230. https://doi.org/10.2460/javma.2000.217.226

Publication

Journal of the American Veterinary Medical Association
ISSN: 0003-1488
NlmUniqueID: 7503067
Country: United States
Language: English
Volume: 217
Issue: 2
Pages: 226-230

Researcher Affiliations

Traub-Dargatz, J L
  • Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins 80523, USA.
Garber, L P
    Fedorka-Cray, P J
      Ladely, S
        Ferris, K E

          MeSH Terms

          • Animal Feed / microbiology
          • Animals
          • Cross-Sectional Studies
          • Edible Grain / microbiology
          • Feces / microbiology
          • Horse Diseases / epidemiology
          • Horse Diseases / microbiology
          • Horses
          • Prevalence
          • Salmonella / isolation & purification
          • Salmonella Infections, Animal / epidemiology
          • Salmonella Infections, Animal / microbiology
          • Seasons
          • United States / epidemiology

          Citations

          This article has been cited 7 times.
          1. Wang J, Guo K, Li S, Liu D, Chu X, Wang Y, Guo W, Du C, Wang X, Hu Z. Development and Application of Real-Time PCR Assay for Detection of Salmonella Abortusequi.. J Clin Microbiol 2023 Mar 23;61(3):e0137522.
            doi: 10.1128/jcm.01375-22pubmed: 36856425google scholar: lookup
          2. Uzal FA, Arroyo LG, Navarro MA, Gomez DE, Asín J, Henderson E. Bacterial and viral enterocolitis in horses: a review.. J Vet Diagn Invest 2022 May;34(3):354-375.
            doi: 10.1177/10406387211057469pubmed: 34763560google scholar: lookup
          3. Willette JA, Kopper JJ, Kogan CJ, Seguin MA, Schott HC. Effect of season and geographic location in the United States on detection of potential enteric pathogens or toxin genes in horses ≥6-mo-old.. J Vet Diagn Invest 2022 May;34(3):407-411.
            doi: 10.1177/10406387211056054pubmed: 34763559google scholar: lookup
          4. Dor Z, Shnaiderman-Torban A, Kondratyeva K, Davidovich-Cohen M, Rokney A, Steinman A, Navon-Venezia S. Emergence and Spread of Different ESBL-Producing Salmonella enterica Serovars in Hospitalized Horses Sharing a Highly Transferable IncM2 CTX-M-3-Encoding Plasmid.. Front Microbiol 2020;11:616032.
            doi: 10.3389/fmicb.2020.616032pubmed: 33391248google scholar: lookup
          5. Hoelzer K, Moreno Switt AI, Wiedmann M. Animal contact as a source of human non-typhoidal salmonellosis.. Vet Res 2011 Feb 14;42(1):34.
            doi: 10.1186/1297-9716-42-34pubmed: 21324103google scholar: lookup
          6. van Duijkeren E, Wannet WJ, Houwers DJ, van Pelt W. Serotype and phage type distribution of salmonella strains isolated from humans, cattle, pigs, and chickens in the Netherlands from 1984 to 2001.. J Clin Microbiol 2002 Nov;40(11):3980-5.
            doi: 10.1128/JCM.40.11.3980-3985.2002pubmed: 12409362google scholar: lookup
          7. Weese JS, Baird JD, Poppe C, Archambault M. Emergence of Salmonella typhimurium definitive type 104 (DT104) as an important cause of salmonellosis in horses in Ontario.. Can Vet J 2001 Oct;42(10):788-92.
            pubmed: 11665427
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