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Seasonal dynamics of Proteocephalus sagittus in the stone loach Barbatula barbatula from the Haná River, Czech Republic

Published online by Cambridge University Press:  12 April 2024

J. Jarkovský*
Affiliation:
Department of Zoology and Ecology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic Centre of Biostatistics and Analyses, Faculty of Medicine and Faculty of Science, Masaryk University, Kamenice 126/3, 625 00, Brno, Czech Republic
B. Koubková
Affiliation:
Department of Zoology and Ecology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
T. Scholz
Affiliation:
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
M. Prokeš
Affiliation:
Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 603 65, Brno, Czech Republic
V. Baruš
Affiliation:
Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 603 65, Brno, Czech Republic
*
*Fax: + + 420 547 121 412 E-mail: jarkovsky@cba.muni.cz

Abstract

The seasonal cycle of the cestode Proteocephalus sagittus (Cestoda: Proteocephalidae) was studied for the first time in the stone loach Barbatula barbatula from the Haná River, Czech Republic. A total of 180 loaches were examined monthly from January to December 2001. The parasite occurred in loaches throughout the year but infection parameters differed significantly among seasons, with the highest values of prevalence and abundance from the late winter to the early summer. Parasite recruitment took place in the winter and early spring and the worms sexually matured in the late spring and early summer. In contrast to P. torulosus, the gravid worms of which laid eggs only at the end of the spring/beginning of the summer, gravid worms of P. sagittus were also found, although in low numbers, in the autumn and early winter. The rate of infection of loach with P. sagittus was neither dependent on the sex nor on the size of its fish host.

Type
Review Article
Copyright
Copyright © Cambridge University Press 2004

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