Kopiejewska W., 1989. A reserve of the oocytes of protoplasmatic growth in the ovaries of bream (Abramis brama L.) females in Lake ęniardwy. Acta Ichthyol. Piscat. 19 (2): 117-129.
A reserve of the oocytes of protoplasmatic growth was estimated in the ovaries of 47 bream females from Lake ęniardwy. This reserve ranged from 78.9 to 96.6% of the oocytes. It exceeded 4 to 28 times the absolute fecundity of females during the reproductive season.