Wijayanto, Dian and Nugroho, Ristiawan Agung and Kurohman, Faik and Nursanto, Didik Budi (2023) The effects of turmeric-enriched feed (Curcuma longa Linn.) on the growth, survival rate and profitability of Asian seabass cultivation in freshwater media. Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society, 16 (2). pp. 1037-1043. ISSN 1844-916

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Abstract

Improving the resistance of Asian seabass (Lates calcarifer) in aquaculture has an important
role in optimizing the production and profits. Turmeric (Curcuma longa) is a potential local herbal
nutraceutical that has immunostimulant properties. This study was performed to examine the effects of
turmeric added in fish feed on the growth, survival rate and profitability of Asian seabass cultivated in
freshwater media. A 30-day experimental was performed to Asian seabass of an average size of 5.20 g
(±0.09 g) per fish that had been adapted to freshwater media. Fish were reared using fibre tubs with a
water volume of 0.5 m3 and 34 fish per each tube to be given treatments in two replications. Different
turmeric concentrations of 5% (treatment A), 3% (treatment B), 1.5% (treatment C), 0.5% (treatment
D) and 0% (treatment E as control) were administered. Water quality parameters consisting of dissolved
oxygen (DO), salinity, temperature and pH were measured weekly. The results showed that turmeric
treatment on Asian seabass feed had a significant effect on absolute biomass growth (W), feed
conversion ratio (FCR) and benefit cost ratio (BCR), where treatment C showed the most optimal
performance. The modelling results proposed the optimal concentration of turmeric ranged between 0.93
and 1.29%

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