Research in different substrates for periphyton based culture of snow trout in raceways

The present study was carried out to evaluate the growth of snow trout with periphyton based diet in captive condition in three raceways of running water system with a view to find out the suitable artificial substrate for periphyton based culture of Schizothorax richardsonii (Gray). Different artificial substrates; Tree branches, Sugarcane bagasse, Paddy straw, Bamboo poles (Dead organic materials) Plastic sheet, Plastic pipes (non bio degradable) and other material like stones and pebbles were used for the production of periphyton community. Bamboo poles and other non- biodegradable substrates were found suitable substrates having without any adverse effect on the water quality of the pond. Growth, survival and production performance of snow trout was evaluated in the 12 months field experiment using Bamboo poles and Plastic sheet. Periphyton based culture of snow trout is profitable eco-friendly in aquaculture practice for hills.