Open AccessAfrican Crariid Catfish Farming in Concrete and Earthen Ponds: A Comparative Profitability Analysis
Author(s) -
C. O. A. Ugwumba,
R. N. Okoh
Publication year - 2010
Publication title -
journal of fisheries international
Language(s) - English
Resource type - Journals
eISSN - 1993-6028
pISSN - 1817-3381
DOI - 10.3923/jfish.2010.14.18
Subject(s) - catfish , profitability index , agriculture , fishery , geography , environmental science , agricultural science , agroforestry , business , biology , fish <actinopterygii> , archaeology , finance