Dietary Supplementation of Peanut Worm (Siphonosoma australe-australe) Meal Enhances Digestive Enzyme Activities, Feed Efficiency, and Growth Performance of the Nile tilapia (Oreochromis niloticus) | ||
| Egyptian Journal of Aquatic Biology and Fisheries | ||
| Volume 29, Issue 6, November and December 2025, Pages 75-94 PDF (337.79 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejabf.2025.422436.6550 | ||
| Authors | ||
| Agus Kurnia* 1; Bahtiar Bahtiar2; Wellem Henrik Muskita3; Muhaimin Hamzah2; La Ode Baytul Abidin4; Yusnaini Yusnaini5; Muhammad Idris6; Rahmad Sofyan Patadjai7; La Ode M Aslan5; Ruslaini Ruslaini8; Irwan Junaidi Effendy8; La Ode Aslin8; Abdul Muis Balubi9; Indriyani Nur10; Wa Iba11; Abdul Rahman12; Affandi Rahman8; Rizky Halalan Thoyba8; La Ode Tony Kurniawan8; Indra Suharman13; Noratat Prachom14 | ||
| 1Department of Aquaculture, Faculty of Fisheries and Marine Science, Halu Oleo University Indonesia | ||
| 2Fisheries and Marine Sciences Faculty, Halu Oleo University, Kendari, Indonesia | ||
| 3Departmen of Aquaculture | ||
| 4Department of Aquaculture, Fisheries and Marine Science Faculty, Halu Oleo University, Kendari, Indonesia | ||
| 5Department of Aquaculture | ||
| 6Departmen of Aquaculture, Faculty of Fisheries and Marine Sciences, Halu Oleo Universty | ||
| 7Department of Aquaculture, Faculty of Fisheries and Marine Sciences, Halu Oleo University | ||
| 8Department of Aquaculture, Halu Oleo University | ||
| 9Department of Aquaculture, Faculty of Fisheries and Marine Science, Halu Oleo University, Kendari Southeast Sulawesi, Indonesia | ||
| 10Faculty of Fisheries and Marine Sciences, Halu Oleo University, Kendari, Southeast Sulawesi, Indonesia | ||
| 11Department of Environmental Sciences, Faculty of Forestry and Environmental Sciences, Halu Oleo University, Kendari, 92321, Indonesia | ||
| 12Department of Aquaculture, Faculty of Fisheries and Marine Science, Halu Oleo University | ||
| 13Department of Aquaculture, Faculty of Fisheries and Marine Sciences, Universitas Riau | ||
| 14Department of Aquaculture, Kasetsart University | ||
| Abstract | ||
| This study evaluates the effects of dietary supplementation with sea peanut worm meal (SPWM; Siphosoma australe-australe) on digestive enzyme activities, feed efficiency, and growth performance of the saline Nile tilapia (Oreochromis niloticus). Four isonitrogenous and isoenergetic diets containing 0, 1, 3, and 5% SPWM were fed to tilapia (initial weight 6.23 ± 0.86 g) for 42 days under 10ppt salinity conditions. Growth parameters, organosomatic indices, and digestive enzyme activities (amylase, lipase, protease) were assessed. Results showed that fish receiving SPWM exhibited significantly higher final weight, weight gain, specific growth rate, feed efficiency, protein retention, and protein efficiency ratio compared to the control (P< 0.05). Optimal responses were generally obtained at 3% inclusion, which produced the lowest feed conversion ratio (1.91 ± 0.04), the highest feed efficiency (52.43 ± 0.99%), and superior protein retention (57.81 ± 1.06%). Survival rate also improved markedly in SPWM groups (90–100%) versus the control (56.7%). Digestive enzyme activities were significantly enhanced at 3% SPWM, with amylase, lipase, and protease activities reaching 9.27 ± 0.52, 0.53 ± 0.04, and 0.88 ± 0.05 IU/mL, respectively, higher than other treatments. Furthermore, hepatosomatic and intestine somatic indices were significantly elevated in all supplemented groups, indicating improved liver metabolism and intestinal development. These findings demonstrate that moderate inclusion of SPWM (3%) provides functional benefits beyond protein supply, enhancing digestive physiology, nutrient utilization, and growth performance of the Nile tilapia. | ||
| Keywords | ||
| Sea peanut worm meal; The Nile tilapia; Saline aquaculture; Digestive enzymes; Feed efficiency; Growth performance | ||
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