Effects of stocking density on the growth and survival of Oreochromis niloticus cultured in hapas in a concrete tank
Elliot Haruna Alhassan*, Emmanuel Delwin Abarike and Christian Larbi Ayisi
Department of Fisheries and Aquatic Resources Management, University for Development Studies, P. O. Box TL 1882, Tamale, Ghana.
Email: [email protected]