News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

Esam H. Rizkalla

Health & Welfare

Successful production of Nile and blue tilapia fry

The relationship between production in subtropical earthen ponds of fry suitable for hormonal sex inversion and degree days was quantified for Nile tilapia (Oreochromis niloticus; Egypt strain) and blue tilapia (O. aureus).