Gonadal morphology, enzyme histochemistry and plasma steroid levels during the annual reproductive cycle of male and female brown bullhead catfish, Ictalurus nebulosus Lesueur - Rosenblum, P. M.; Callard, I. P.; Pudney, J. (1987)
Keywords: ENZIMAS; ESTEROIDES; GONADAS; ICTIOLOGIA; PECES; PROPAGACIÓN VEGETATIVA; REPRODUCCION ANIMAL