Eimeria spp. (Apicomplexa: Eimeriidae) of marsupials (Mammalia: Didelphimorphia) in southern Bahia, Brazil
2018
Hllytchaikra Ferraz Fehlberg | Pedro de Alcântara Brito Junior | Martín Roberto del Valle Alvarez | Bruno Pereira Berto | George Rêgo Albuquerque
Abstract The occurrence of Eimeria Schneider, 1875 in mammals of the order Didelphimorphia indicates the infection-predisposition of these animals, which in turn is mainly determined for their eating habits. The objective of this work was to evaluate the parasitism of Eimeria spp. in marsupials of the Atlantic Forest of the southern region of Bahia. Fecal samples were collected from marsupials captured in the regions of Ilhéus, Una, Belmonte and Mascote, with traps of the Sherman model (23 × 8 × 9 cm), Tomahawk (50 × 17 × 17 cm) and pitfall and analyzed by Sheather's modified centrifugal-flotation method. Oocysts were identified by microscopical evaluation of their morphology and morphometry. Didelphis aurita Wied-Neuwied, 1826, Gracilinanus agilis Burmeister, 1854, Monodelphis americana Müller, 1776, Marmosa demerarae O. Thomas, 1905 and Marmosa murina Linnaeus, 1758 were parasitized by Eimeria philanderi Lainson & Shaw, 1989 and Eimeria gambai Carini, 1938. Mixed parasitism for these two coccidia was observed in two of the 56 marsupials sampled. In conclusion, this work registers new hosts for E. philanderi and E. gambai, as well as the state of Bahia as a new distribution site for these coccidia.
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