Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. XI
Written by Corina DUMITRACHE, Constanta MIHAI, Mihai FRÎNCU
Traditionally, when growing fish, their protein and fat requirements are provided by fishmeal, fish oil, soybeans, etc. More recently, to protect biodiversity and the environment, but also to use sustainable natural resources, researchers in the field are looking for alternative ingredients that can meet the requirements of fish feed. Utilizing the nutritional potential of yeast strains creates sustainable opportunities for new sources of high-quality protein. Thus, the use of yeasts is a solution to improve the economic profitability of aquaculture, as well as to reduce the impact on the environment. This paper focuses on those studies and scientific findings on the use of yeast biomass as a source of quality protein as an alternative to fishmeal and fish oil, as well as soy derivatives in fish feed. Studies have shown that the yeast biomass used in fish feed in various rations has been shown to improve immunity, resistance to bacterial infections, and increase growth rate.
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