Effect of a Serine-protease on Performance Parameters and Protein Digestibility of Cultured Oreochromis niloticus Fed Diets with Different Protein Levels

Naela M. Ragaa, Nermeen M. Abu Elala, Azza M. Kamal and N.F. Kamel

Pakistan Journal of Nutrition 16 ( 3 ): 148 - 154 , 2017