Enteropathogenicity of various isolates of Treponema hyodysenteriae
- 1 February 1977
- journal article
- research article
- Published by American Society for Microbiology in Infection and Immunity
- Vol. 15 (2), 638-646
- https://doi.org/10.1128/iai.15.2.638-646.1977
Abstract
Isolates of T. hyodysenteriae from 25 geographically separated outbreaks of swine dysentery were tested for their ability to produce the disease. Clinical signs and lesions typical of acute swine dysentery were produced in 52 of 68 (75%) susceptible specific pathogen-free pigs that were orally inoculated with pure cultures of 23 of 25 .beta.-hemolytic isolates. In addition, 13 weakly .beta.-hemolytic isolates of nondysentery origin with morphology similar to T. hyodysenteriae did not produce disease when orally inoculated into susceptible specific pathogen-free pigs. Two of these latter isolates, Puppy and B296, and 1 pathogenic, .beta.-hemolytic isolate failed to produce disease when orally inoculated into puppies.This publication has 33 references indexed in Scilit:
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