Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

Knowledge on the role of feral fish as infection reservoirs of the disease

In the epidemiological survey of wild fish, 10 sites in the Mediterranean (Spain, France, Italy and Israel), Ionian (Greece) and Red Sea (Israel) were sampled. Amongst 2260 fish examined, 55 specimens belonging to eight families (Apogonidae, Carangidae, Chaetodontidae, Lethrinidae, Mugilidae, Pomacentridae, Siganidae, Sparidae) were positive in the PCR-L assay. Parasitized fish belonged mainly to the familes Mugilidae (Mediterranean, Italy and Israel), Siganidae and Carangidae (Mediterranean and Red Sea, Israel).

The high proportion of PCR-positive individuals caught at enzootic farms as compared to the other sites indicated that close proximity of wild fish to infected farm stocks created feral infection reservoirs.

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Reported by

National Center for Mariculture (NCM)
Israel Oceanographic and Limnological Research (IOLR),Dept. of Pathobiology, PO Box 1212, North Beach
88112 Eilat
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