Technical Efficiency in Aquaculture Production Systems
Summary
Technical efficiency in aquaculture production systems denotes the ability of farms to maximise output from a given set of inputs, such as feed, fingerlings, labour and capital. It represents the closeness of operational practices to the production frontier, beyond which no additional output can be obtained without increasing inputs or improving technology. Measurement techniques commonly include Data Envelopment Analysis and Stochastic Frontier Analysis, which allow for the evaluation of inefficiency and the identification of underutilised resources. Drivers of technical efficiency span technological innovation, farm scale, management practices, environmental conditions and access to extension services. Improvements in feed formulations, water quality monitoring and digital decision support tools have demonstrated potential to reduce resource waste and enhance yield per unit input. Variations in efficiency are observed across species, production intensities and geographic regions, emphasising the need for context-specific interventions. The global significance of technical efficiency lies in its capacity to bolster the productivity and sustainability of aquaculture, support food security and alleviate pressure on wild fisheries. Practical applications include optimising stocking densities, refining feeding regimes and tailoring culture systems to local environmental constraints.
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Technical Efficiency in Aquaculture Production Systems publication trend
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Technical terms
Technical efficiency: The ratio of actual output to the maximum feasible output given a set of inputs and current technology.
Production frontier: A curve representing the highest attainable output levels for various combinations of inputs.
Data Envelopment Analysis (DEA): A non-parametric method for evaluating the relative efficiency of decision-making units by constructing an empirical production frontier.
Stochastic Frontier Analysis (SFA): A parametric econometric approach that estimates a production frontier while accounting for statistical noise and inefficiency.
Input-oriented model: An analytical framework that minimises inputs for a given level of output to assess potential efficiency improvements.
References
- Production risk, technical efficiency, and input use nexus: Lessons from Bangladesh aquaculture. Journal of the World Aquaculture Society (2021).
- Determinants of inefficiency in shrimp aquaculture under environmental impacts: Comparing shrimp production systems in the Mekong, Vietnam. Journal of the World Aquaculture Society (2022).
- Integrating Assessment of Characterization, Sustainability and Efficiency for the Production of Rainbow Trout (Oncorhynchus mykiss): A Case Study in the Amazonas Region of Peru. Agriculture (2023).
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