Testosterone-mediated complete feminization with precocious ovarian maturation in catfish, Heteropneustes fossilis (Bloch)

aparato genital breeding seasons dosage eclosabilidad del huevo egg hatchability females femelle fishes genital system gonadotrophine gonadotropinas gonadotropins gonads hembra heteropneustes heteropneustes fossilis madurez sexual oviposition peces poisson (animal) ponte saison d'accouplement sex control sex determination sexual maturity spawning testosteronas testosterone