Abstract
Here we report the occurrence of Ancylostoma (Ancylostoma) buckleyi (Le Roux and Biocca, 1957) (Nematoda: Ancylostomatidae) in the small intestine of Pampas foxes (Lycalopex gymnocercus) (Mammalia: Canidae). This fox is the most abundant native carnivore in southern South America, where it inhabits grasslands, open woodlands and areas highly modified by extensive ranching and agricultural activities. Material from 80 foxes in rural areas of southern Buenos Aires province, Argentina was examined. The intestinal tracts were carefully removed from each carcass and subsequently isolated by ligatures (pylorus and rectum). Examination of the intestinal content was performed using the sedimentation and counting technique. Four foxes (5%) were found to be parasitized with adult specimens of A. buckleyi. This is the first report of Ancylostoma (A.) buckleyi in Argentina and adds L. gymnocercus as new host of this nematode species.
Highlights
We report the occurrence of Ancylostoma (Ancylostoma) buckleyi (Le Roux and Biocca, 1957) (Nematoda: Ancylostomatidae) in the small intestine of Pampas foxes (Lycalopex gymnocercus) (Mammalia: Canidae)
This is the first report of Ancylostoma (A.) buckleyi in Argentina and adds L. gymnocercus as new host of this nematode species
Hookworms of the genus Ancylostoma occur in a wide range of vertebrate hosts, only carnivores seem to harbor a significant number of species (THATCHER, 1971; LICHTENFELS, 2009)
Summary
Hookworms of the genus Ancylostoma occur in a wide range of vertebrate hosts, only carnivores seem to harbor a significant number of species (THATCHER, 1971; LICHTENFELS, 2009). Infection with these nematodes in dogs and cats can result in serious disease and even death (BOWMAN et al, 2010). The Pampas fox, Lycalopex gymnocercus Fisher, 1914, is the most abundant of the wild canids from South America This fox inhabits grasslands and open woodlands and it occurs in areas highly modified by extensive ranching and agricultural activities (LUCHERINI et al, 2008). We report the first finding of Ancylostoma (A.) buckleyi in Argentina and add L. gymnocercus as new host of this nematode species, providing a prevalence estimate for rural areas of southern Buenos Aires province, Argentina
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