Use of active yeasts in shrimp nutrition
REVISTA MVZ CORDOBA(2023)
Abstract
Shrimp aquaculture is an industry that uses fishmeal in diets, which is an ingredient difficult to obtain at low cost and increasingly scarce. It is important to find strategies that help shrimp nutrition by using alternative ingredients that replace or complement fishmeal and help develop a more environmentally friendly industry. Yeasts can be added to diets for aquatic organisms and are microbial products generated by biotechnological systems or a by-product from agri-food industries. This study determined the potential use of active yeasts (Candida insectorum, C. parapsilosis, C. sake, C. utilis, Debaryomyces hansenii, Rhodosporidium paludigenum, Saccharomyces cerevisiae, Schizosaccharomyces pombe, and Yarrowia lipolytica) in juvenile and postlarvae shrimp of Litopenaeus schmitt, Fenneropenaeus indicus, and L. vannamei. The results show that active yeasts can be used at different doses, as partial substitute for a fishmeal-soybean meal and incorporated into diets for juvenile shrimp or used directly in diets for postlarvae. However, it is necessary to carry out studies to determine the most efficient strategies for the active yeast to be ingested by shrimp.
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Key words
Diet, nutrition, peneid, shrimp, yeast
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