Key Takeaways & Executive Findings
- •• Integrated multi-trophic aquaculture (IMTA) and recirculating systems (RAS) significantly improve sustainability and productivity. • Optimal stocking density and feeding regimes are critical for maximizing growth and survival rates in fingerling production. • Probiotics and prebiotics enhance fish health and disease resistance, reducing reliance on antibiotics. • Adaptive management with real-time monitoring and data-driven decisions is essential for context-specific aquaculture success.
Abstract
This comprehensive review synthesizes current knowledge on fingerling production and stocking strategies in aquaculture, focusing on optimizing growth, survival, and economic returns. We analyze key factors including water quality management, feeding regimes, stocking density, and genetic selection. Our findings highlight that integrated multi-trophic aquaculture (IMTA) systems and recirculating aquaculture systems (RAS) significantly enhance sustainability and productivity. The review also discusses the role of probiotics and prebiotics in improving fish health and disease resistance. We propose a framework for adaptive management that incorporates real-time monitoring and data-driven decision-making. The implications for small-scale farmers and large-scale commercial operations are considered, emphasizing the need for context-specific strategies. This work provides a valuable resource for researchers, practitioners, and policymakers aiming to advance sustainable aquaculture practices.
1. Introduction
Aquaculture has emerged as a vital sector to meet the growing global demand for protein, contributing significantly to food security and economic development. However, the industry faces challenges such as disease outbreaks, environmental degradation, and inefficient resource utilization. Fingerling production, the early life stage of fish, is a critical bottleneck that determines the success of grow-out operations. Efficient production and stocking strategies are essential to ensure high survival rates, optimal growth, and cost-effectiveness.
Recent advances in aquaculture technologies, including recirculating aquaculture systems (RAS) and integrated multi-trophic aquaculture (IMTA), have shown promise in enhancing sustainability and productivity. These systems allow for better control of water quality, waste management, and resource efficiency. Additionally, the use of probiotics and prebiotics has gained attention as a means to improve fish health and reduce the reliance on antibiotics, aligning with global efforts to combat antimicrobial resistance.
This review aims to synthesize the current knowledge on fingerling production and stocking strategies, highlighting best practices and emerging trends. We examine the effects of stocking density, feeding regimes, water quality management, and genetic selection on fingerling performance. Furthermore, we discuss the integration of these strategies within broader aquaculture systems and propose a framework for adaptive management that leverages real-time monitoring and data analytics. The findings are intended to guide researchers, practitioners, and policymakers in optimizing aquaculture operations for enhanced productivity and sustainability.
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Zhang Wei, Li Na, Wang Fang, Chen Yu, Liu Yang, Zhao Min, Sun Lei, Zhou Jing, Wu Hao, Xu Dan (2026). Fingerling Production and Stocking Strategies for Enhanced Aquaculture Productivity: A Comprehensive Review. Chinese Journal of New Drugs. https://doi.org/10.1007/s10499-024-01234-5
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Frequently Asked Questions
What are the key factors influencing fingerling survival and growth?
Key factors include water quality (temperature, pH, dissolved oxygen), stocking density, feeding regime, and genetic quality. Optimal conditions vary by species, but maintaining high water quality and appropriate stocking densities are critical for reducing stress and disease.
How does integrated multi-trophic aquaculture (IMTA) benefit fingerling production?
IMTA mimics natural ecosystems by co-cultivating species from different trophic levels, which helps in nutrient recycling and waste reduction. This improves water quality and reduces environmental impact, leading to healthier fingerlings and higher survival rates.
What role do probiotics play in aquaculture?
Probiotics are beneficial microorganisms that improve gut health, enhance nutrient absorption, and boost the immune system of fish. They can reduce the incidence of diseases and decrease the need for antibiotics, promoting sustainable aquaculture.
What is the optimal stocking density for fingerling production?
Optimal stocking density varies by species and system. Generally, lower densities reduce competition and stress, improving growth and survival, but may reduce overall yield. A balance must be struck based on species-specific requirements and system capacity.
How can adaptive management improve aquaculture operations?
Adaptive management involves continuous monitoring of key parameters and adjusting practices based on real-time data. This allows for proactive responses to changing conditions, optimizing resource use, and improving overall productivity and sustainability.
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