Published in Scientific Papers. Series D. Animal Science, Vol. LXII, Issue 1
Written by Mariya CHUNCHUKOVA, Diana KIRIN, Dimitrinka KUZMANOVA
This study is the first that presents the rudd’s (Scardinius erythrophthalmus (Linnaeus, 1758)) endohelminth species and structure of helminth communities from Maritsa River, Bulgaria. During 2018, 13 specimens of Scardinius erythrophthalmus were collected and examined with standard techniques for parasites from Maritsa River. Helminth parasites were recorded in all 13rudd specimens (100%) from Maritsa River.Three species of parasites were identified: one cestode species (Ligula intestinalis (Linnaeus, 1758)), one acantocephalan species (Pomphorhynchus laevis (Müller, 1776)) and one nematode species (Rhabdochona denudatа (Dujardin, 1845, Raillet, 1916).The analysis of the dominant structure of the found parasite species is presented to the component level. All established parasite species are core for the component community of Scardinius erythrophthalmus from Maritsa River.The infracommunities data was used to be fixed principal biotic indices. Bioindicator significance of established parasite species was discussed for ecological evaluation of the state of the studied freshwater ecosystem.
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