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The effects of replacing soybean meal with watermelon (Citrullus lanatus) seed meal (CLM) on growth, body composition, haematology and profit margin in catfish (Clarias gariepinus) breeding was evaluated. Juvenile catfish (n = 150) were acclimatised for a week, weighed and allotted into five dietary treatments; D1, D2, D3, D4 and D5 containing 0, 15, 30, 45 and 60 % replacement of soybean meal with watermelon seed meal, respectively. The diets were isonitrogenous and isolipidic. Each treatment was conducted in triplicate with ten fish per replicate. The results from the study indicate that there was no significant difference (p > 0.05) in growth, carcass composition, and nutrient utilization. However, a significant variation (p |
