Provisional Instruction on the arrangements for combating saprolegniosis of fishes and spawn in fish-farming establishments (1998). Country/Territory Russian Federation Document type Regulation Date 1998 Source FAO, FAOLEX Subject Fisheries Keyword Fish disease Freshwater fishes Marine fishes Mariculture Aquaculture Animal health Geographical area Arctic, Asia and the Pacific, Black Sea, Caspian Sea, CIS (Commonwealth of Independent States), Eastern Europe, Europe, Europe and Central Asia, North Pacific, North-West Pacific Entry into force notes Entry into force from the date of issue. Abstract Saprolegniosis is disease of fishes and spawn of fungi aetiology widely spread in fish-farming establishments of different types. Saprolegniosis is caused by mould fungi of the orderly saprolegniales pertaining to several genera: dictyuchus, leptolegnia, saprolegnia, etc. Widely spread and pathogenic are the following types: ach.flagellata, aph.laevis, d.monospoi-us, s.rnixta, s.parasitieea, achlya flagellata. The document consists of 5 Secs. Section 1 lays down general provisions. Section 2 regards epizootology. Section 3 regards clinical symptoms and pathogenesis. Section 4 regards diagnostics. Section 5 specifies arrangements for combating the afore-mentioned fish disease. Full text Russian