COMPARATIVE CHARACTERISTIC OF THE GAMETOGENESIS OF THE HATCHERIES OF JUVENILE CHINOOK SALMONS BEFORE THE RELEASE IN NATURAL ENVIRONMENT IN THE THREE DIFFERENT YEARSJournal: Fisheries Science of Ukraine (Vol.18, No. 4)
Publication Date: 2011-12-24
Authors : Metalnikova K.;
Page : 110-115
Keywords : juveniles; Chinook salmon; growth of oocytes; Kamchatka salmon; feeding; developed gonads;
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.
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