Helminths of wild hybrid marmosets (Callithrix sp.) living in an environment with high human activity

• Published in: Revista brasileira de parasitologia veterinaria Vol. 22; no. 3; pp. 391 - 397
• Main Authors: Tavela, Alexandre de Oliveira, Fuzessy, Lisieux Franco, e Silva, Vinicius Herold Dornelas, da Silva, Fernanda de Fátima Rodrigues, Junior, Moacir Carretta, Silva, Ita de Oliveira, Souza, Vanner Boere
• Format: Journal Article
• Language: English
• Published: Brazil Colégio Brasileiro de Parasitologia Veterinária 01-07-2013; Colégio Brasileiro de Parasitologia Veterinaria
• Subjects: Ancylostomatidae; Animals; anthropozoonosis; Brazil; Callithrix - parasitology; Feces - parasitology; Female; Helminths - isolation & purification; Homing Behavior; Human Activities; Humans; Male; PARASITOLOGY; Primasubulura jacchi; Prosthenorchis sp; VETERINARY SCIENCES; Brazil; Prosthenorchis sp; antropozoonoses; Ancylostomatidae; Primasubulura jacchi; anthropozoonosis
• ISSN: 1984-2961; 1984-2961
• DOI: 10.1590/s1984-29612013000300012

The objective of this study was to identify the helminth fauna in hybrid, non-native marmosets, through analysis of fecal samples. The study involved 51 marmosets (genus Callithrix) from five groups living in places with levels of human impact in Viçosa-MG. The marmosets were caught using a multiple-entrance trap and were anaesthetized. Feces were collected, refrigerated and analyzed by means of the sedimentation technique (Hoffmann-Pons-Janner). Eggs and parasites were identified, but not counted. Most of the marmosets (86%) were parasitized by at least one genus of helminths. Among the infected marmosets, 37% presented co-infection. The intestinal helminths comprised four different taxa: Primasubulura jacchi, Ancylostomatidae, Prosthenorchis sp. and Dilepididae. P. jacchi and Ancylostomatidae had higher prevalences (> 80% and > 40%, respectively) and were found in all marmoset groups. Dilepididae species were found in almost all the groups, but only accounted for around 30% of the marmosets. Prosthenorchis sp. showed a relatively low prevalence (< 10%) and was only found in one group. Although two parasites are commonly found in marmosets and other primates (P. jacchi and Prosthenorchis sp.), our study is the first record for Ancylostomatidae and Dilepididae. Factors like marmosets' feeding behavior and their contact with humans and other species of nonhuman primates seem to be determinants of infection among marmosets.