COMPARATIVE CHARACTERISTIC OF THE GAMETOGENESIS OF THE HATCHERIES OF JUVENILE CHINOOK SALMONS BEFORE THE RELEASE IN NATURAL ENVIRONMENT IN THE THREE DIFFERENT YEARS

By the release of juveniles in natural water the 7?8 g female Chinook salmon have gonads at the late 2nd stage of maturity: in the phase of protoplasmic growth of oocytes for 3?5 classes. The hatchery juveniles of Kamchatka salmon have more developed gonads, more often ? for 2 stages of maturity than wild juveniles, and are ready to ramp and for food competition when feeding at sea.