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As traditional protein sources such as soybean and fish meal become increasingly limited, there is growing interest in alternative protein sources, such as rapeseed meal, in aquaculture. This review offers an updated overview of rapeseed meal in fish diets, highlighting its nutritional value and impact on growth and the digestive tract. It also examines the effect of rapeseed meal supplementation on intestinal microflora, taking into account the latest trends in animal breeding focused on microbiota composition. While challenges exist in incorporating rapeseed meal into fish diets, its inclusion holds potential for improving sustainability and efficiency in aquaculture. However, its effects may vary depending on fish species, rearing conditions, and the level of inclusion in the diet. Based on this analysis, further research is recommended to explore the practical use of rapeseed meal as a reliable protein source in fish nutrition. Future studies should prioritize fish welfare and health, with an emphasis on natural methods, such as fermentation, to enhance the nutritional value of rapeseed meal. Consideration should also be given to incorporating activities, such as phytase supplementation, to enhance the use of rapeseed meal in fish feed.
Karolina et al. (Tue,) studied this question.