Laboratory Findings Associated with Abomasal Ulcers/Tympany in Range Calves

Kenneth W. Mills, Rue L. Jensen, Lynn F. Woodard, Jerre L. Johnson, Alan R. Doster

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


The etiology of abomasal ulcers/tympany was investigated in 48 animals from 36 ranches in Wyoming and Nebraska. Results indicate that subclinical trace mineral deficiencies of copper and/or selenium exist in the range cattle in west central Nebraska and Wyoming. Etiological agents most frequently incriminated by bacteriologic cultures and/or histopathic examination were Clostridium perfringens and Campylobacter species. Histopathologic evaluation of abomasums revealed 31 of 38 cases contained abundant gram-positive bacteria associated with the damaged abomasal mucosa. Campylobacter-like organisms were demonstrated in 9 of 38 cases using the modified Dieterle stain. Clostridium perfringens was isolated in 14 of 38 cases, and Campylobacter jejuni was recovered from 5 of 38 cases.

Original languageEnglish (US)
Pages (from-to)208-212
Number of pages5
JournalJournal of Veterinary Diagnostic Investigation
Issue number3
StatePublished - Jul 1990

ASJC Scopus subject areas

  • veterinary(all)


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