Effect of Fish and Mollusk Meal in Feed on Digestive Enzyme Activity, Feed Efficiency, and Growth Performance of Ornate Spiny Lobster (Panulirus ornatus) | ||||
| Egyptian Journal of Aquatic Biology and Fisheries | ||||
| Article 151, Volume 29, Issue 4, July and August 2025, Page 4761-4776 PDF (311.46 K) | ||||
| DOI: 10.21608/ejabf.2025.446695 | ||||
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| Author | ||||
| Kurnia et al. | ||||
| Abstract | ||||
| The ornate spiny lobster (Panulirus ornatus) is a high-value aquaculture species in Indonesia. Developing sustainable and environmentally friendly feed is essential to support the lobster farming industry. This study evaluated the effects of fish meal- and mollusk meal-based formulated diets on digestive enzyme activity, feed efficiency (FE), and growth performance of P. ornatus. Four experimental diets were tested: Diet A (20% sardine meal and 20% jack mackerel meal), Diet B (10% telescopium muscle meal, 15% golden snail meal, and 15% mud scallop meal), Diet C (15% telescopium muscle meal, 10% golden snail meal, and 15% mud scallop meal), and Diet D (15% telescopium muscle meal, 15% golden snail meal, and 10% mud scallop meal). Parameters measured included digestive enzyme activity (amylase, protease, and lipase), feed efficiency, and growth performance over a 50‑day feeding trial. Lobsters fed mollusk‑based diets (Diets B, C, and D) exhibited significantly higher growth, greater feed efficiency, and enhanced digestive enzyme activity compared to those fed the fish meal‑based diet (Diet A). In conclusion, mollusk meal‑based diets can improve digestive enzyme activity, FE, and growth performance in P. ornatus. | ||||
| Keywords | ||||
| Ornate spiny lobster; Mollusk meal; Fish meal; Digestive enzyme activity; Growth performance | ||||
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