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The availability of fish head meal (FHM) as a substitute for fish meal (FM) was evaluated in lobster (initial weight: ±0.02) diets containing three levels of FHM (from 0, 25% and 50%). After 90 days, weight gain averages were g for fish fed diet in which FM was partially substituted with 100, 75, and 50 % FHM, and feed conversion ratios were 3.20, 3.05, 4.01, 3.65 and 4.46, respectively. No differences were obtained in weight gain, FCR, FE and SR for all treatments. The lobster fed diet C (50% FM : 50% FHM) was highest in FE and followed by the shrimp fed diet B (75% FM),diet A (100% FM), respectively. SR was highest in the lobster fed diet C and the lowest was found in the lobster fed diet A. This study concluded that FHM could replace FM up to 50% in the diet without compromising growth and survival rate of rock lobster juvenile.

the international journal of engineering and science

Replacement of Fish Meal with Fish Head Meal in the Diet on the Growth and Feed Efficiency of Spiny Lobster, Panulirus Ornatus Under Reared in Sea Net Cage