Salmonella infections in neonatal dairy calves

Susan E. Lance From the Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, 1990 Coffey Rd, Columbus, OH 43210-1092. (Lance, Miller, Heider), the Field Disease Investigation Unit, College of Veterinary Medicine, Washington State University, Pullman, WA 99164 (Hancock), and the Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824 (Bartlett).

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Gay Y. Miller From the Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, 1990 Coffey Rd, Columbus, OH 43210-1092. (Lance, Miller, Heider), the Field Disease Investigation Unit, College of Veterinary Medicine, Washington State University, Pullman, WA 99164 (Hancock), and the Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824 (Bartlett).

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Dale D. Hancock From the Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, 1990 Coffey Rd, Columbus, OH 43210-1092. (Lance, Miller, Heider), the Field Disease Investigation Unit, College of Veterinary Medicine, Washington State University, Pullman, WA 99164 (Hancock), and the Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824 (Bartlett).

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Paul C. Bartlett From the Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, 1990 Coffey Rd, Columbus, OH 43210-1092. (Lance, Miller, Heider), the Field Disease Investigation Unit, College of Veterinary Medicine, Washington State University, Pullman, WA 99164 (Hancock), and the Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824 (Bartlett).

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Lawrence E. Heider From the Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, 1990 Coffey Rd, Columbus, OH 43210-1092. (Lance, Miller, Heider), the Field Disease Investigation Unit, College of Veterinary Medicine, Washington State University, Pullman, WA 99164 (Hancock), and the Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824 (Bartlett).

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Summary

To estimate herd prevalence of Salmonella spp, fecal specimens were obtained for culture from neonatal calves of 47 Ohio dairy herds. Of the 452 calves tested, 10 calves from 7 farms were culturepositive. Salmonella serotypes isolated were S dublin, S typhimurium, S enteritidis, S agona, S mbandaka, and S montevideo. Bulk tank milk filters from these dairies were also submitted for culture. Salmonella sp was isolated from 1 of the 50 filters, and 2 calves from this herd were found to be shedding Salmonella sp of the same serotype.

Summary

To estimate herd prevalence of Salmonella spp, fecal specimens were obtained for culture from neonatal calves of 47 Ohio dairy herds. Of the 452 calves tested, 10 calves from 7 farms were culturepositive. Salmonella serotypes isolated were S dublin, S typhimurium, S enteritidis, S agona, S mbandaka, and S montevideo. Bulk tank milk filters from these dairies were also submitted for culture. Salmonella sp was isolated from 1 of the 50 filters, and 2 calves from this herd were found to be shedding Salmonella sp of the same serotype.

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