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Epidemiology of Non-typhoidal Salmonella in Veal Calves

Finney, Sarah Kathryn
http://rave.ohiolink.edu/etdc/view?acc_num=osu1492649194530607

Abstract Details

2017, Master of Science, Ohio State University, Comparative and Veterinary Medicine.
Non-typhoidal Salmonella in lymphatic tissues of animals at slaughter is believed to be a source of foodborne Salmonella infections. Prevalence of Salmonella has not been determined in veal calves. This longitudinal observational study used a vertically integrated veal production system to determine the prevalence of Salmonella on-farm and at slaughter. Producer treatment records were analyzed in order to understand the burden of disease and frequency of antimicrobial use associated with the recovery of Salmonella. Fecal samples, health records, and environmental and water samples were collected from 9 cohorts of calves. Calves from four cohorts were followed to slaughter, where mesenteric and pre-femoral lymph nodes and fecal samples were collected. Salmonella prevalence was 1.07% (4/374), 3.75% (6/160), 20.9% (33/158), and 0.68% (1/148) for on-farm fecal, slaughter fecal, mesenteric lymph nodes, and pre-femoral lymph nodes, respectively. There was no significant association between the presence of Salmonella in farm fecal samples, slaughter fecal samples, and mesenteric lymph nodes. Calves with positive mesenteric lymph nodes tended to be more likely to have positive pre-femoral lymph nodes (p=0.07).
Gregory Habing, Dr. (Advisor)
Thomas Wittum, Dr. (Committee Member)
Margaret Masterson, Dr. (Committee Member)
52 p.
Animal Diseases
Salmonella, veal calves

Recommended Citations

Citations

  • Finney, S. K. (2017). Epidemiology of Non-typhoidal Salmonella in Veal Calves [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492649194530607

    APA Style (7th edition)

  • Finney, Sarah. Epidemiology of Non-typhoidal Salmonella in Veal Calves. 2017. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1492649194530607.

    MLA Style (8th edition)

  • Finney, Sarah. "Epidemiology of Non-typhoidal Salmonella in Veal Calves." Master's thesis, Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492649194530607

    Chicago Manual of Style (17th edition)

osu1492649194530607
384
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This open access ETD is published by The Ohio State University and OhioLINK.