Ninethy days feeding trial was conducted with rainbow trout (Oncorhynchus mykiss) rearing in brackish water to evaluate nutritive value of poultry by-product meal (PBm) as a dietary replacement for fish meal. Poultry by-product meal which is waste material of poultry industry was incorporated at level ranging from 0% to 50% fish meal in 3 experimental diets formulated to contain
33.56% to 35.93% crude protein, 13.61% to 14.35% lipid and equal level of energy (3600 Kcal/kg) The experimental diets were fed 3 times accordingly to 2% body weight per day and fish biomass was determined at fortnightly intervals. It was concluded that the poultry by-product meal could successfully replace fishmeal at level of up to 50% fishmeal without any adverse effect on growth performance and feed utilization efficiency.
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