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Health-Promoting Additives Supplemented in Inert Microdiets for Whiteleg Shrimp () Post-Larvae: Effects on Growth, Survival, and Health Status. | LitMetric

Health-Promoting Additives Supplemented in Inert Microdiets for Whiteleg Shrimp () Post-Larvae: Effects on Growth, Survival, and Health Status.

Animals (Basel)

Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal.

Published: February 2023

AI Article Synopsis

Article Abstract

Dietary additives have the potential to stimulate the whiteleg shrimp immune system, but information is scarce on their use in diets for larval/post-larval stages. The potential beneficial effects of vitamins C and E, -glucans, taurine, and methionine were evaluated. Four experimental microdiets were tested: a positive control diet (PC); the PC with decreased levels of vitamin C and E as negative control (NC); the PC with increased taurine and methionine levels (T + M); and the PC supplemented with -glucans (BG). No changes in growth performance and survival were observed. However, post-larvae shrimp fed the NC had lower relative expressions of than those fed the PC, suggesting that lower levels of vitamins C and E may impact the shrimp immune status. Lipid peroxidation levels dropped significantly in the BG compared to the PC, indicating that -glucans improved the post-larvae antioxidant mechanisms. Furthermore, when compared with the NC diet, PL fed with BG showed significant increases in tGSH levels and in the relative expression of and , suggesting a synergistic effect between vitamins C and E and -glucans. Amongst the additives tested, -glucans seems to be the most promising even when compared to a high-quality control diet.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9952502PMC
http://dx.doi.org/10.3390/ani13040726DOI Listing

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