Abstract
The study was conducted to evaluate the growth performance and body composition of Oreochromis niloticus fingerlings (average initial body weight 12.38 ± 0.39g) fed isonitrogenous and isoenergetic diets containing different levels (0, 5, 10, 15 and 20 %) of alfalfa meal, for a period of 67 days. The inclusion of alfalfa meal over 5% in the diets reduced (P 0.05) difference in feed consumption of fish. The efficiency of feed utilization decreased linearly when the level of alfalfa meal in diets increased over 5%. No significant (P < 0.05) differences were, however, observed in the feed conversion ratio (FCR) of diets containing 10 or 15% of alfalfa meal. Similar results were observed for protein efficiency ratio (PER). Net protein Asian Fisheries Science 16 (2003): 59-67 Asian Fisheries Society, Manila, Philippines
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