Impact of vinegar-supplemented diets on the survival and growth performance of juvenile giant freshwater prawn (Macrobrachium rosenbergii) in a 30-day culture period
Paper Details
Impact of vinegar-supplemented diets on the survival and growth performance of juvenile giant freshwater prawn (Macrobrachium rosenbergii) in a 30-day culture period
Abstract
The giant freshwater prawn (Macrobrachium rosenbergii) is extensively cultivated in the Philippines and other countries due to its high market value, contribution to rural livelihoods, and potential role in ensuring food security. This study examined the tolerability and growth performance of juvenile giant freshwater prawns fed diets supplemented with different types of vinegar. A 30-day experiment was conducted with three dietary treatments: T0 (control diet), T1 (2% coconut sap vinegar [CSV]), and T2 (2% apple cider vinegar [ACV]), each replicated three times. Key parameters, including weight gain (WG), length gain (LG), specific growth rate (SGR), and survival rate, were analyzed statistically using Analysis of Variance (ANOVA) at a significance level of p = 0.05. The results revealed that prawns fed with CSV-enhanced diets exhibited the highest WG (8.33 g), LG (4.37 cm), and SGR (27.77% day⁻¹), significantly outperforming the control group (p < 0.05). Additionally, a 100% survival rate was observed across all treatment groups, demonstrating the prawns’ tolerability to vinegar-supplemented diets. These findings suggest that incorporating coconut sap vinegar into commercial prawn feeds can enhance growth performance while maintaining high survival rates, offering a sustainable strategy for improving aquaculture productivity.
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