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Revista do Instituto de Medicina Tropical de São Paulo

On-line version ISSN 1678-9946


MENTZ, Márcia B.; DALLEGRAVE, Eliane  and  GRAEFF-TEIXEIRA, Carlos. Susceptibility and morbidity between male and female Swiss mice infected with Angiostrongylus costaricensis: Susceptibilidade e morbidade entre camundongos Swiss machos e fêmeas infectados com Angiostrongylus costaricensis. Rev. Inst. Med. trop. S. Paulo [online]. 2010, vol.52, n.5, pp.267-268. ISSN 1678-9946.

The gender of vertebrate hosts may affect the outcome of parasitic infections. An experimental murine infection with Angiostrongylus costaricensis was followed with determinations of body weight, fecal larval elimination, number and length of adult worms, number of macroscopic intestinal lesions, and mortality. Groups of male and female Swiss mice were infected with 10 3rd-stage A. costaricensis larvae per animal. The results indicate there are no significant differences related to gender of the host, except for higher length of worms developed in male mice.

Keywords : Metastrongyloidea; Angiostrongylus costaricensis; Gender; Sex; Murine.

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