The effect of varying dietary protein level on the growth, food conversion, protein utilization and body composition of tropical catfish Mystus nemurus (C. and V.) cultured in static pond water system

acuicultura agua alimentation des poissons aquaculture crecimiento croissance diet dieta eau estanques feed conversion efficiency feed intake fish feeding fishes gain de poids ganancia de peso growth liveweight gain mystus nutritive ratio nutritive value peces poisson (animal) ponds prise alimentaire (animaux) protein metabolism proteine proteins valeur nutritive valor nutritivo water weight gain