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@proceedings{1299612,
author = {Krasnovyd, Vadym and Vetešníková Šimková, Andrea},
booktitle = {22nd Helmintology days},
keywords = {parasite infection; fish condition; effect of hybridization},
language = {eng},
isbn = {978-80-7444-032-8},
title = {INFLUENCE OF HYBRIDIZATION ON THE FISH HOST CONDITIONS AND PARASITE INFECTION},
year = {2015}
}
TY - CONF
ID - 1299612
AU - Krasnovyd, Vadym - Vetešníková Šimková, Andrea
PY - 2015
TI - INFLUENCE OF HYBRIDIZATION ON THE FISH HOST CONDITIONS AND PARASITE INFECTION
SN - 9788074440328
KW - parasite infection
KW - fish condition
KW - effect of hybridization
N2 - Frequent hybridization cases have been described between different species of the Cyprinidae family. Hybrids of roach and common bream have been repeatedly studied in terms of their biology, ecology and behavior. However, information on parasite load and hybrid condition in cyprinid hybrids are very limited. The presence and infection parameters of metazoan parasites of common bream (Abramis brama), roach (Rutilus rutilus) and their respective hybrids from Hamry reservoir (Czech Republic) were analyzed. Fish were sampled in spring and autumn seasons in three consecutive years. All individuals were identified using molecular markers (partial cyt b gene and 9 microsatellite loci) and morphological characteristics. The aim of this study was to analyze the influence of hybridization on parasite infection and host fish condition. Total parasite abundance and prevalence was higher in parental species when, compared to the hybrid specimens, nevertheless parasite species richness was higher in hybrids. The significant effects of season, locality and year of collection on the composition of the metazoan parasite communities were found. We confirmed the presence of a dominative ancestral maternal line of the Abramis brama in interspecific hybridization. Presence of host-specific monogenean parasites in hybrids of the both maternal origins, likely suggests the broken system of co-adaptation genes in hybrids.
ER -
KRASNOVYD, Vadym a Andrea VETEŠNÍKOVÁ ŠIMKOVÁ. INFLUENCE OF HYBRIDIZATION ON THE FISH HOST CONDITIONS AND PARASITE INFECTION. In \textit{22nd Helmintology days}. 2015. ISBN~978-80-7444-032-8.
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