Provisional Instruction No. 13-4-2/1738 on measures for combating chlorine mixosis of carp (Cyprinidae). Country/Territory Russian Federation Document type Regulation Date 1999 Source FAO, FAOLEX Subject Fisheries Keyword Fish disease Freshwater fishes 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 Abstract This Provisional Instruction identifies chlorine mixosis of carp (Cyprinidae) as an invasive disease found in fish farms of Russia, Ukraine, Kazakhstan, Uzbekistan and some other CSI Member States. Cases of parasitosis have been found in natural waterbodies. The main cause of the spread of this fish disease is the transport of infected fish between fish farms. Another source is the addition of water containing chlorine and infected fish. In cases where chlorine mixosis is diagnosed, fish farms shall be declared unfavourable and subject to the following restrictions: (a) prohibition on transporting their fish to favourable fish farms or releasing them into fishing waterbodies; (b) authorization for farming of fishes of all age groups exclusively at unfavourable fish farming enterprises of the same type; and (c) authorization for transportation and trade of fish without intermediate storage. There shall be no restrictions on the transportation of spawn. Full text Russian Website www.lawrussia.ru