Diplostomiasis Ocular in Perca

Dritan Laçi, Bejo Bezhga, Vladimir Spaho


This study identified the ocular diplostomiasis in fish Perca fluviatilis (parasite cataract in fish or eye fluke disease) in fish Perca fluviatilis (European perch) or in albanian language “Sharmak” which is fish in Drin river and Fierza lake. Causers of this pathology are the trematods metacercariae Diplostomum spp. The result of the presence of metacercariae in Perca fluviatilis was realised by necropsy with microdissection of eyes. The metacercariae of Diplostomum spp. were present to Perca fluviatilis in microdissection of eye examination. From an examination of 27 fish, during the years 2012 and 2013, only 22 samples or 81% resulted positive with metacercariae of Diplostomum spp. The level of infestation with metacercariae in values for each fish resulted from 2 to 9. The metacercariae causes cataracts in eyes and damages that depending on the level of infestation it may damage the fish overall. The recommendations for the control and prevention of the disease, based mainly on ecological methods, taking into account the cycle of the parasite and the characteristics of the building of the pisciculture are given.

Keywords: Diplostomumm spp., Perca fluviatilis, metacercarie, microdissection, eye, necropsi.

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