Feed is the largest cost component in freshwater fish farming, making feed efficiency a key factor in determining productivity and profitability. This article aims to review various strategies for improving feed efficiency through a literature study based on relevant scientific journals and publications. The review indicates that feed efficiency can be enhanced by formulating diets that meet the nutritional requirements of fish, incorporating probiotics and prebiotics into feed, implementing proper feeding management, adopting aquaculture technologies such as biofloc systems and Internet of Things (IoT)-based automatic feeders, and optimizing water quality and stocking density. These strategies have been shown to reduce the Feed Conversion Ratio (FCR), improve Feed Utilization Efficiency (FUE), and support sustainable growth, survival, and productivity in freshwater aquaculture.
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