Formulation and evaluation of diets for the African catfish, Clarias gariepinus (Burchell), made by partial replacement of fish meal with winged bean (Psophocarpus tetragonolobus L. DC) seed meal

acuicultura alimentation alimentation des poissons antinutritional factors aquaculture blood boiling clarias gariepinus cooking cuisson digestibilidad digestibility facteur antinutritionnel factores antinutricionales feeding fish feeding fishes gain de poids ganancia de peso haematology heat sterilizing heat treatment liveweight gain nutritive value peces poisson (animal) procesamiento processing protein metabolism psophocarpus tetragonolobus sang sangre traitement traitement thermique valeur nutritive valor nutritivo weight gain