Research Article
Effect of Crowding Stress on Some Physiological Functions of Nile Tilapia, Oreochromis niloticus (L.) Fed Different Dietary Protein Levels
Department of Fish Ecology, Suez Canal University, Ismailia, Egypt
Mamdouh A. A. Mousa
Department of Fish Ecology, Suez Canal University, Ismailia, Egypt
Safaa M. Sharaf
Department of Animal Production, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt
Mohammad H. Ahmad
Department of Fish Niltrition, Central Laboratory for Aquaculture Research, Abbassa, Abo-Hammad, Sharqia, Egypt