Breeding and Seed Production of Rainbow Trout

Abstract

rainbow trout is one of the most popular candidate fish species of Coldwater aquaculture. This species requires cold, clean and highly Oxygenated water for ripening of brooder, successful breeding and hatchery activities. Stripping is a process by which eggs from female fish and milt from male fish is obtained. The whole process of breeding includes, stripping of males & females, mixing of eggs and milt, incubation of eggs in trays fitted in the troughs with continuous flowing water, rearing of sac fry and swim up fry in FRP tanks. The whole process is performed in Ova house. Hatchery of the trout with flowing water system is known as Ova house, where incubation and hatching of eggs takes place. An Ova house is comprised of an indoor structure having troughs, trays, nursery tanks and rearing tanks with continuous WaterfloW.