Please use this identifier to cite or link to this item: https://www.arca.fiocruz.br/handle/icict/32088
Title: Mixed infection by Libyostrongylus douglassii and L. dentatus (Nematoda: Trichostrongylidae) in Struthio camelus (Ratites: Struthioniformes) from Brazil with further morphological characterization of adults
Authors: Ederli, Nicole Brand
Bonadiman, Sérgio Fernandes
Moraes Neto, Antonio Henrique Almeida de
DaMatta, Renato Augusto
Santos, Clóvis de Paula
Affilliation: Universidade Estadual do Norte Fluminense Darcy Ribeiro. Centro de Biociências e Biotecnologia. Laboratório de Biologia Celular e Tecidual. Campos dos Goytacazes, RJ, Brasil.
Universidade Estadual do Norte Fluminense Darcy Ribeiro. Centro de Biociências e Biotecnologia. Laboratório de Biologia Celular e Tecidual. Campos dos Goytacazes, RJ, Brasil.
Universidade Estadual do Norte Fluminense Darcy Ribeiro. Centro de Biociências e Biotecnologia. Laboratório de Biologia Celular e Tecidual. Campos dos Goytacazes, RJ, Brasil / Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Ecoepidemiologia e Controle da Esquistossomose e Geohelmintoses. Rio de Janeiro, RJ, Brasil.
Universidade Estadual do Norte Fluminense Darcy Ribeiro. Centro de Biociências e Biotecnologia. Laboratório de Biologia Celular e Tecidual. Campos dos Goytacazes, RJ, Brasil.
Universidade Estadual do Norte Fluminense Darcy Ribeiro. Centro de Biociências e Biotecnologia. Laboratório de Biologia Celular e Tecidual. Campos dos Goytacazes, RJ, Brasil.
Abstract: The genus Libyostrongylus includes three species, L. douglassii, L. dentatus and L. magnus that occur as parasites in the proventriculus of Struthio camelus. We confirmed a mixed infection by L. douglassii and L. dentatus in farmed ostriches from the southeast of Brazil for the first time, and provided new information on some morphological characters that differentiate these species. Adult nematodes collected from the proventriculus of ostriches were observed by light and scanning electron microscopy. Morphologic characterization and morphometric analysis of the nematodes enabled the distinction of both species and corroborated results of prior studies. Specimens of L. dentatus have a buccal capsule with a prominent esophageal tooth. Furthermore, males and females of L. dentatus were larger (4954 and 9347 microm) than those of L. douglassii (3411 and 4229 microm), but measurements for most characters in both species were smaller then those previously reported. Besides, the cephalic structure based on scanning electron microscopy differs, and L. dentatus has thick lips with round papillae, whereas L. douglassii has fine lips with lengthened papillae. The confirmation of both species in South America strongly suggests that the mixed infection may be common in farmed ostriches.
Keywords: Libyostrongylus douglassii
Libyostrongylus dentatus
Struthio camelus
Trichostrongylidae
keywords: Nematóides
Issue Date: 2008
Publisher: Elsevier
Citation: EDERLI, Nicole Brand et al. Mixed infection by Libyostrongylus douglassii and L. dentatus (Nematoda: Trichostrongylidae) in Struthio camelus (Ratites: Struthioniformes) from Brazil with further morphological characterization of adults. Veterinary Parasitology, v. 151, p. 227-232, 2008.
DOI: 10.1016/j.vetpar.2007.11.009
ISSN: 0304-4017
Copyright: open access
Appears in Collections:IOC - Artigos de Periódicos

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