2012
DOI: 10.1590/s1984-29612012000200013 View full text |Buy / Rent full text
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Abstract: Necropsy on 15 specimens of white-tufted grebe, Rollandia rolland, caught in the Mar Chiquita and Chascomús lagoons (Buenos Aires province), revealed the presence of Contracaecum ovale (Linstow, 1907). This nematode shows a marked specificity for podicipediform birds. The specimens were identified from morphological study on features such as cephalic and esophageal structures and caudal papillae, using both optical and scanning electron microscopy. This is the first record of C. ovale parasitizing R. rolland i… Show more

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