Pike Cannibalism, Paratenic Hosts and Trematode Life Span as Factors Influencing the Distribution of <i>Azygia lucii</i> in the Definitive Host Population
A. E. Zhokhov,
M. N. Pugacheva
Abstract:The ratio of the body length of the trematodes Azygia lucii and the body length of pikes in the population of the Rybinsk Reservoir was studied. The material was collected in September–October from 2018 to 2021. A total 386 pike was divided into seven size classes according to body length (range 4.7–83 cm). The prevalence of A. lucii increased from 14.2% in underyearlings to 46.2% in pikes 9+. The distribution of the trematodes in all size classes was aggregated. The usual intensity of invasion was 1–3 tremato… Show more
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