Uncinaria hamiltoni (Nematoda: Ancylostomatidae) in South American Sea Lions, Otaria flavescens, From Northern Patagonia, Argentina
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Uncinaria hamiltoni (Nematoda: Ancylostomatidae) in South American Sea Lions, Otaria flavescens, From Northern Patagonia, Argentina

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Uncinaria hamiltoni (Nematoda: Ancylostomatidae) in South American Sea Lions, Otaria flavescens, From Northern Patagonia, Argentina

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dc.contributor.author Berón-Vera, B.
dc.contributor.author Crespo, Enrique Alberto
dc.contributor.author Raga Esteve, Juan Antonio
dc.contributor.author Pedraza, S. N.
dc.date.accessioned 2010-08-09T10:33:53Z
dc.date.available 2010-08-09T10:33:53Z
dc.date.issued 2004
dc.identifier.uri http://hdl.handle.net/10550/16772
dc.description.abstract Thirty-one South American sea lion pups (Otaria flavescens) found dead in Punta León, Argentina, during the summer of 2002, were examined for hookworms (Uncinaria hamiltoni). Parasite parameters were analyzed in 2 locations of the rookery, i.e., a traditional, well-structured breeding area and an expanding area with juveniles and a lax social structure. Prevalence of hookworms was 50% in both localities, and no difference was observed in prevalence between pup sexes (P > 0.05). Hookworms were concentrated in the small intestine. Transmammary transmission is assumed because only adult hookworms were found in the pups. The mean intensity of hookworms per pup was 135; the mean intensity in females (92.78) was significantly different (P < 0.05) from that of males (230.25). No difference (P > 0.05) in intensity was found between the 2 breeding areas, although prevalence was higher in the traditional breeding area than in the other area. Location was the only factor affecting hookworm prevalence (P log-linear model: 0.9552; χ2: 1.5629). No apparent trend between body condition and intensity of hookworms was observed. en
dc.language.iso en en
dc.relation http://www.journalofparasitology.org/doi/pdf/10.1645/GE-182R en
dc.source BERÓN-VERA, B. ; Crespo, Enrique Alberto ; Raga Esteve, Juan Antonio ; Pedraza, S. N., 2004, Uncinaria hamiltoni (Nematoda: Ancylostomatidae) in South american sea lions, otaria flavescens, from northern patagonia, Argentina, Journal of Parasitology, vol. 90, no. 4, p. 860–863 en
dc.subject Uncinaria hamiltoni ; Ancylostomatidae ; Sea Lions ; Northern Patagonia, argentina en
dc.title Uncinaria hamiltoni (Nematoda: Ancylostomatidae) in South American Sea Lions, Otaria flavescens, From Northern Patagonia, Argentina en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS DE LA VIDA en
dc.subject.unesco UNESCO::CIENCIAS DE LA VIDA::Biología animal (Zoología) ::Parasitología animal en
dc.description.private Raga Esteve, Juan Antonio, Toni.Raga@uv.es en
dc.identifier.idgrec 013795 en

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