Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
Diarrhea of Newborn Calves Caused by Toxigenic Colibacilli
TOMOMITSU MAKABE[in Japanese][in Japanese][in Japanese][in Japanese][in Japanese][in Japanese][in Japanese][in Japanese][in Japanese]
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1982 Volume 35 Issue 6 Pages 340-343

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Abstract

Over a 5-month period beginning with December, 1979, 17 calves were born on two farms to suffer from yellowish watery diarrhea. Of them, fifteen (88.2%) died in 1-3 days. Autopsy revealed no marked changes. Histologically, the small intestine was affected with catarrhal enteritis.
Colibacilli were isolated in a pure form from the brain and other organs. All of them showed a serotype of O101: H-, produced thermostabile enterotoxin, and possessed an immobilized factor, K99 ciliary antigen. Sensitivity was noticed to chloramphenicol, colistin, and oleandomycin. Virological examination gave negative results.

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