Enteric pathogens in intensively reared veal calves.

S. P. McDonough, Carolyn Stull, Bennie Osburn

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Observations were made on development of diarrhea in special-fed calves (n = 460) on 8 commercial facilities during 2 successive 16-week production cycles at weeks 0, 2, 4, 8, 12, and 16. A total of 23% were affected, with peak number of calves with diarrhea observed at week 0. Suspected enteropathogens were identified in 86% of these calves, most commonly cryptosporidia, coronavirus, and rotavirus. Identified potential zoonotic pathogens included Giardia and Salmonella spp and verotoxigenic Escherichia coli. Noncytopathic bovine viral diarrhea virus was isolated from 6 calves that had repeated bouts of illness. Only 22% of calves entering the veal facilities had adequate transfer of passive immunity. At week 0, serum IgG concentration in calves that subsequently died or had diarrhea was lower (P < 0.001) than that in healthy calves. All calves that died (n = 6) during the first 4 weeks of production had complete failure of transfer of passive immunity.

Original languageEnglish (US)
Pages (from-to)1516-1520
Number of pages5
JournalAmerican Journal of Veterinary Research
Volume55
Issue number11
StatePublished - Nov 1 1994

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veal calves
Diarrhea
Passive Immunization
calves
pathogens
Bovine Viral Diarrhea Viruses
Shiga-Toxigenic Escherichia coli
Giardia
Cryptosporidium
Coronavirus
Rotavirus
passive immunity
Zoonoses
diarrhea
Salmonella
Immunoglobulin G
enteropathogens
Shiga toxin-producing Escherichia coli
Coronavirinae
Serum

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Enteric pathogens in intensively reared veal calves. / McDonough, S. P.; Stull, Carolyn; Osburn, Bennie.

In: American Journal of Veterinary Research, Vol. 55, No. 11, 01.11.1994, p. 1516-1520.

Research output: Contribution to journalArticle

McDonough, SP, Stull, C & Osburn, B 1994, 'Enteric pathogens in intensively reared veal calves.', American Journal of Veterinary Research, vol. 55, no. 11, pp. 1516-1520.
McDonough, S. P. ; Stull, Carolyn ; Osburn, Bennie. / Enteric pathogens in intensively reared veal calves. In: American Journal of Veterinary Research. 1994 ; Vol. 55, No. 11. pp. 1516-1520.
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