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Morphological and Morphometric Characterization of Eodinium posterovesiculatum (Ciliophora, Ophryoscolecidae) in Brazilian Cattle
Fregulia, Priscila; Cedrola, Franciane; Bordim, Suyane; DAgosto, Marta; Dias, Roberto Júnio Pedroso.
  • Fregulia, Priscila; Federal University of Juiz de Fora. ICB. Laboratory of Protozoology. Juiz de Fora. BR
  • Cedrola, Franciane; Federal University of Juiz de Fora. ICB. Laboratory of Protozoology. Juiz de Fora. BR
  • Bordim, Suyane; Federal University of Juiz de Fora. ICB. Laboratory of Protozoology. Juiz de Fora. BR
  • DAgosto, Marta; Federal University of Juiz de Fora. ICB. Laboratory of Protozoology. Juiz de Fora. BR
  • Dias, Roberto Júnio Pedroso; Federal University of Juiz de Fora. ICB. Laboratory of Protozoology. Juiz de Fora. BR
Braz. arch. biol. technol ; 63: e20180061, 2020. tab, graf
Article in English | LILACS | ID: biblio-1132230
ABSTRACT
Abstract The morphological variability of Eodinium posterovesiculatum (Ciliophora, Trichostomatia) has been interpreted in different ways four distinct species or four morphotypes of the same species. The present study aims to perform morphological and morphometric comparative analysis of the four morphotypes found in cattle from the southeastern region of Brazil. Ruminal content samples were obtained from four Holstein x Gir cattle and fixed at 18.5% formalin for morphological analysis. Morphometry was performed based on individuals stained with Lugol's solution [1]. The infraciliary bands were stained using silver carbonate impregnation technique [2]. Morphological and morphometric characterizations, supported by literature, suggest that the four morphotypes of E. posterovesiculatum are actually a single polymorphic species due to small morphometric differences and mostly identical morphological characters, with the format of the caudal processes being the only morphological characteristic that sets them apart.
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Full text: Available Index: LILACS (Americas) Main subject: Ciliophora Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Braz. arch. biol. technol Journal subject: Biology Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Juiz de Fora/BR

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Full text: Available Index: LILACS (Americas) Main subject: Ciliophora Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Braz. arch. biol. technol Journal subject: Biology Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Juiz de Fora/BR