On May 15, 1260 kg of fish stock (70 g) were planted in fish cages installed in the Tuyabuguz reservoir (Uzbekistan) African catfish, Clarias gariepinus, I grew until mid-October. They fed minced meat made from the insides of broiler chickens. By mid-October, the average individual body weight reached 1300 g, the total biomass - 23400 kg. The total increase in fish biomass for 5 months amounted to 21740 kg. Kormovoy's coefficient in the experiment turned out to be 3.2. The fish productivity of cages was about 25 kg/m 3 .