Prof. Dr. Ahmed Ismail Mehrim أ.د/ أحمد إسماعيل محرم

Comparative study for different sources of reproductive stimulating materials and their effects on the reproductive performance of African catfish Clarias gariepinus (Burchell, 1822)

African catfish, Clarias gariepinus, is a highly appreciated species for aquaculture. So, the present research was carried out to study the possibility of improving artificial reproduction of African catfish C.

Pawpaw (Carica papaya) seeds powder in Nile tilapia (Oreochromis niloticus) diets: 2 Liver status, sexual hormones and histological structure of the gonads

The present study was carried out to evaluate the ability of using Pawpaw (Carica papaya) seeds powder (PSP) as natural reproductive inhibitor for Nile tilapia (Oreochromis niloticus) to control their