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The application of chaetotaxy in the discrimination of Gyrodactylus salaris Malmberg, 1957 (Gyrodactylidae: Monogenea) from species of the genus parasitising British salmonids



The application of chaetotaxy in the discrimination of Gyrodactylus salaris Malmberg, 1957 (Gyrodactylidae: Monogenea) from species of the genus parasitising British salmonids



International Journal for Parasitology 28(5): 805-814



The chaetotaxy of argentophilic structures on three species of the monogenean genus Gyrodactylus was investigated in an attempt to distinguish species of this genus. Maps were prepared for Gyrodactylus salaris from Scandinavia and compared with two native species of Gyrodactylus parasitising salmonids in Britain, namely Gyrodactylus derjavini and Gyrodactylus truttae. The maps were subsequently refined and analysed for zones of homology and differentiation. The results demonstrate that G. salaris can be readily distinguished by this technique, which is, therefore, of great potential value in the identification of this notifiable pathogen. The key aggregations of sensilla discriminating G. salaris are, ventrally, the antero-ventral set, the medio-lateral set and the postero-lateral set, and, dorsally, the postero-dorsal set.

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Accession: 037372602

Download citation: RISBibTeXText

PMID: 9650061

DOI: 10.1016/s0020-7519(98)00028-9


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