Increasing prevalence of canine heartworm in coyotes from California

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

Thirty-seven subadult and adult coyotes (Canis latrans), collected August 1992 through December 1996 from a coastal foothill area in northern California (USA), were examined for adult heartworm (Dirofilaria immitis). During 1992 through 1993, at the end of a 6 yr drought, none of four coyotes examined were infected with heartworms. However, during 1994 through 1996, after the drought had ended, prevalences were 91% in 23 adult coyotes and 40% in 10 subadult coyotes. Heartworm intensity did not differ by sex of coyote, and averaged (±SE) 19.4 ± 3.8 among adults; one subadult had >238 heartworms. The prevalence and intensity of heartworm infection in coyotes reported here for 1994 through 1996 are the highest reported anywhere in the United States.

Original languageEnglish (US)
Pages (from-to)386-389
Number of pages4
JournalJournal of Wildlife Diseases
Volume34
Issue number2
DOIs
StatePublished - Jan 1 1998
Externally publishedYes

Keywords

  • Canis latrans
  • Coyote
  • Dirofilaria immitis
  • Heartworm
  • Survey

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

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