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Article

The first report of Gyrodactylus salaris Malmberg, 1957 (Platyhelminthes, Monogenea) on Italian cultured stocks of rainbow trout (Oncorhynchus mykiss Walbaum)

Citation
Paladini G, Gustinelli A, Fioravanti ML, Hansen H & Shinn A (2009) The first report of Gyrodactylus salaris Malmberg, 1957 (Platyhelminthes, Monogenea) on Italian cultured stocks of rainbow trout (Oncorhynchus mykiss Walbaum). Veterinary Parasitology, 165 (3-4), pp. 290-297. https://doi.org/10.1016/j.vetpar.2009.07.025

Abstract
The monogenean Gyrodactylus salons Malmberg, 1957 is considered one of the most important parasites of wild salmonids in the European Community due to the heavy ecological and economical damage it has inflicted on Atlantic salmon (Salmo salar) part populations. Rainbow trout (Oncorhynchus mykiss) is susceptible to G. salaris and can act as a suitable carrier host and, consequently, its trade in EU territory is restricted in relation to the status of "recognized free" zones. Despite the economic importance of rainbow trout farming in Italy, information on the Italian gyrodactylid fauna is lacking and prior to this salons had not been officially reported. During a routine health examination of study farmed rainbow trout stock throughout Central and Northern Italy in 2004-2005, five fish farms were found to be infected with G. salons alongside three other gyrodactylids Morphological and molecular characterisation confirmed the presence of G. salons, Gyrodactylus teuchis Lautraite, Blanc, Thiery, Daniel et Vigneulle, 1999 and Gyrodactylus derjavinoides Malmberg, Collins, Cunningham et Jalah, 2007, while Gyrodactylus truttae Glaser, 1974 was identified by morphological analysis only. The findings from this study extend the distribution of G. salons within Europe and highlight the importance of the rainbow trout trade in its dissemination.

Keywords
analysis; ATLANTIC; ATLANTIC salmon; carrier; Communities; community; DAMAGE; dissemination; Economic; eu; EUROPE; European Community; EXAMINATION; farming; FARMS; fish; FISH FARM; Health; HOST; Information; ITALY; MALMBERG; molecular; MYKISS; Oncorhynchus mykiss; ONCORHYNCHUS-MYKISS; other; parasite; PARASITES; PLATYHELMINTHES; Population; POPULATIONS; rainbow trout; RAINBOW-TROUT; SALAR; SALARIS; Salmo salar; SALMO-SALAR; Salmon; salmonids; STOCKS; Trade; TROUT; WALBAUM; welfare; wild

Journal
Veterinary Parasitology: Volume 165, Issue 3-4

StatusPublished
Author(s)Paladini, Giuseppe; Gustinelli, Andrea; Fioravanti, Maria L; Hansen, Haakon; Shinn, Andrew
Publication date11/12/2009
URLhttp://hdl.handle.net/1893/20548
ISSN0304-4017
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