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Enzootic occurrence of chloramphenicol-resistant Salmonella typhimurium var copenhagen in calf population.

Authors
  • Sato, G
  • Furuta, Y
  • Kodama, H
  • Iwao, T
  • Oka, M
Type
Published Article
Journal
American Journal of Veterinary Research
Publisher
American Veterinary Medical Association
Publication Date
Jun 01, 1975
Volume
36
Issue
6
Pages
839–841
Identifiers
PMID: 1096689
Source
Medline
License
Unknown

Abstract

Chloramphenicol (CP)-resistant Salmonella typhimurium var copenhagen was frequently isolated (44.1 to 76.7%) from dead, diseased, and healthy calves on 3 farms in 1973 in northern Japan. On 2 of the farms, CP-resistant salmonella appeared suddenly during an epizootic of salmonella infection, and persisted. Of 87 CP-resistant to tetracycline (TC), streptomycin (SM), and sulfonamides (SA), and the remaining 13 isolates from dead calves on a farm were resistant to TC, SM, SA, and kanamycin (KM). Resistance patterns of all CP-resistant isolates were transferred completely.

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