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1 October 1994 Factors Affecting Dirofilaria immitis Prevalence in Red Foxes in Northeastern Spain
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Abstract

We determined the prevalence of Dirofilaria immitis (Nematoda, Filariidae) among 433 red foxes (Vulpes vulpes) in northeastern Spain, between 1990 and 1992. Fortysix (11%) of 433 foxes were infected; the intensity ranged from 1 to 36 (mean ± SE; 4.39 ± 0.92) nematodes per host. The prevalence of D. immitis was higher in foxes inhabiting riparian zones of the study area. This population has a very high juvenile/adult ratio. Heartworm prevalences did not differ among host sex, weight, or fat condition categories.

Gortazar, Castillo, Lucientes, Blanco, Arriolabengoa, and Calvete: Factors Affecting Dirofilaria immitis Prevalence in Red Foxes in Northeastern Spain
C. Gortazar, J. A. Castillo, J. Lucientes, J. C. Blanco, A. Arriolabengoa, and C. Calvete "Factors Affecting Dirofilaria immitis Prevalence in Red Foxes in Northeastern Spain," Journal of Wildlife Diseases 30(4), 545-547, (1 October 1994). https://doi.org/10.7589/0090-3558-30.4.545
Received: 11 November 1993; Published: 1 October 1994
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