Wijayanto, Dian and Nugroho, Ristiawan Agung and Kurohman, Faik and Nursanto, Didik Budi and Mulyadi, Dedy (2024) The effect of Javanese turmeric (Curcuma xanthorrhiza) on growth, survival and BCR of TGGG (♀ tiger grouper × ♂ giant grouper) hybrid grouper. Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society, 17 (6): 1. pp. 3142-3149. ISSN 1844-9166

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Abstract

The application of Javanese turmeric (Curcuma xanthorrhiza, locally known as temulawak in Indonesia) as a nutraceutical ingredient in fish feed has potential for enhancing fish health and optimizing growth. Improved growth and survival are critical for maximizing profitability in aquaculture. This research evaluated the effects of Javanese turmeric supplementation on the growth, survival, feed efficiency, and profitability of hybrid grouper (TGGG; ♀ tiger grouper × ♂ giant grouper) cultivation. The experiment utilized juvenile fish averaging 18.74±0.78 g in weight and tested three feed treatments: Javanese turmeric-soaked feed at doses of 5% (treatment A), 10% (treatment B), and 20% (treatment C). The findings indicate that an appropriate dose of Javanese turmeric enhances fish growth, survival rates, feed efficiency, and overall profitability. Among the treatments, treatment B consistently demonstrated better performance, although statistical analysis at α = 5% indicated no significant differences among treatments. Optimization modeling suggests that the optimal turmeric dosage lies within the range of 13.5 to 15.0%.

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