Common carp reproduction in winter using heated water in temporal climate of Uzbekistan

In December 2022, 10 females and 2 males of common carp (Common carp) from ponds (water temperature 10°C) were placed in RAS pools (control group) an open pond Uzbeki-stan. January, the water was increased by 1°C two days for weeks. Since January 20, 22-24°C The fish had weigh 2950 – 3980 (average 3235) g. From February 3th, 4 injected with pituitary gland according to routine methods ripe eggs milt obtained, (920 g) incubated Zuger apparatus. Fertility 90%, Feb-ruary 7th, beginning hatching larvae determined. yield 64%. Injected at same time, control group did not produce all.