Feed management is a critical factor influencing the economic performance of aquaculture systems. To identify more profitable feeding strategies for tilapia pre-adult production, this work evaluated partial feed restriction followed by a compensatory overfeeding phase. Exponential and biphasic equations were compared to determine the most suitable growth model. A bioeconomic model was developed considering harvest sizes of 150 and 180 g, to determine the size that maximizes profitability in tilapia pre-adult under three restricted-compensated (R-C) feeding strategies (60%, 80%, 100%) and one apparent Satiation (Control group). The results showed an improvement in feeding efficiency and growth rates comparable to those obtained with apparent Satiation feeding. The biphasic growth model provided the best fit for restricted-compensated feeding strategies and the Control group. The R-C100% feeding strategy generated the highest net profit at both harvest sizes. During the compensation period, the estimated total ammonia nitrogen levels were found to be higher (1.8–2.7 mg l −1 ) compared to the restrictive period (0.8–1.7 mg l- 1 ). The sensitivity analysis showed that the selling price had the greatest impact on the present value of profit. Practical implications of these different feeding strategies for farmed tilapia pre-adults are discussed.
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Domínguez‐May et al. (2026) studied this question.
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