Research Article
Evaluation of Azotobacter and Azospirillum Biofertilizers as a Probiotics in Oreochromis niloticus Aquaculture
National Institute of Oceanography and Fisheries, Aswan Research Station, Egypt
Mohamed I.A. Wafa
National Institute of Oceanography and Fisheries, El-Qanater Research Station, Egypt
Wafaa T. Abbas
Department of Hydrobiology, National Research Center Dokki, Giza, Egypt