Suplement CXXV
Epler, P., and K. Bieniarz. 1989. Gonad maturation and hormonal stimulation of spawning in wels (Silurus glanis L.). Pol. Arch. Hydrobiol. 36 (36), 417-429 4. SUMMARY The development of gonads in wels of known age, reared in ponds, was investigated. It was shown that in the 1st year of life wels gonads remained undifferentiated, whereas… czytaj dalej »