Novalina Serdiati, R. Adharyan Islamy, Noorhidayat Binti Mamat, Veryl Hasan, Fitri Sil Valen
This study investigates Alligator weed's nutritional value and potential application (Alternanthera philoxeroides) as a feed ingredient in herbivorous aquaculture. The nutrient composition of Alligator weed was analyzed, revealing a high content of crude protein (18.5g/100g), crude fiber (21.0g/100g), and essential minerals such as calcium (1,200mg/100g) and potassium (2,350mg/100g). Phytochemical analysis identified significant amounts of flavonoids (2.35g/100g) and phenolic compounds (3.80g/100g), indicating potential antioxidant properties. Antioxidant activity was assessed using the DPPH assay, with methanol extracts showing the highest activity (79.4% inhibition at 10mg/mL). The application of Alligator weed in aquaculture feed was evaluated in several herbivorous fish species, including tilapia, grass carp, silver carp, common carp, and freshwater prawns. Optimal inclusion levels were determined to be 20%, resulting in improved growth performance, feed conversion ratios (FCR), and survival rates across all species. The findings suggest that Alligator weed is a promising, sustainable feed ingredient that can enhance the health and productivity of herbivorous aquaculture species. Further research on long-term effects and commercial viability is recommended to fully harness its benefits. © 2024, Unique Scientific Publishers. All rights reserved.
Aquatic Resources Study Program, Faculty of Animal Husbandry and Fisheries, Tadulako University, Central Sulawesi, Indonesia; PSDKU Aquaculture, Department of Fisheries and Marine Resources Management, Faculty of Fisheries and Marine Science, Brawijaya University, Jl. Veteran No.16, East Java, Malang, 65145, Indonesia; Institute of Biological Science, Faculty of Science, University of Malaya, WP Kuala Lumpur, Kuala Lumpur, 50603, Malaysia; School of Animal Science, Aquatic Science and Environment, Universiti Sultan Zainal Abidin, Besut Campus, Besut, Terengganu, 22200, Malaysia; Department of Fish Health Management and Aquaculture, Faculty of Fisheries and Marine Science, Airlangga University, Kampus C Unair, Jl. Mulyosari, East Java, Surabaya, 60113, Indonesia
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