Trout Farming Handbook

angling animal protein approximately automatic feeder back channel baskets bottom brood stock Brown trout chemical circulating tanks clean commercial concrete container cost Danish Danish-type density developed diet disease disinfected drain dry feed dry food earth ponds eggs elbow pipe feeding period fin rot fins fish farm fish farmer fish food Fish screens floatation floating flow formalin fresh water freshwater fry tanks full sea water gill grading growth hatchery incubation infected intake large fish larger fish live fish malachite green mesh method oxygen parasites parent fish particularly pectoral fins pellets pipe plastic protein protozoan pump Raceways Rainbow trout farming reared salmon salmonid salmonid fish salt water saltwater saltwater production Saltwater Rainbow Trout screen smolt solution species stage summer Symptoms table market thiaminase thiamine tonnes treatment trough trout production Vitamin water supply water temperature wet food winter young fish دو دو وو