Identification of thiabendazole-resistant cyathostome species in Louisiana

M. R. Chapman, T. R. Klei, Dennis D French

Research output: Contribution to journalArticle

Abstract

A critical trial was performed with five ponies 6-9 months of age and raised on a horse farm with demonstrated benzimadazole-resistant cyathostomes. Eleven species of cyathostomes were recovered, seven of which had resistance to thiabendazole. Degrees of resistance varied among ponies and from species to species. Resistant species were Cyathostomum coronatum, Cyathostomum catinatum, Cy Cylicoctephanus minutus, Cylicostephanus calicatus, Cylicostephanus longibursatus, Cylicostephanus goldi and Cylicocyclus nassatus. This is the first study identifying resistant cyathostome species in the Gulf Coast region of the USA and, although no new resistant species were found, results differed somewhat from those of other authors in that none of the cyathostome populations that have been studied contain the same complement of resistant species.

Original languageEnglish (US)
Pages (from-to)293-299
Number of pages7
JournalVeterinary parasitology
Volume39
Issue number3-4
DOIs
StatePublished - Aug 1991
Externally publishedYes

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Parasitology
  • veterinary(all)

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