Dietary Klebsormidium sp. Supplementation Improves Growth Performance, Antioxidant and Anti-Inflammatory Status, Metabolism, and Mid-Intestine Morphology of Litopenaeus Vannamei

Dietary Klebsormidium sp. Supplementation Improves Growth Performance, Antioxidant and Anti-Inflammatory Status, Metabolism, and Mid-Intestine Morphology of Litopenaeus Vannamei

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Filamentous microalga Klebsormidium sp.has huge potential to become a natural and healthy additive in aquatic feed since it contains various bioactive nutrients, such as linoleic acid (LA), carotenoids, and chlorophylls.Therefore, an eight-week feeding experiment was performed to evaluate the effects of dietary Klebsormidium sp.on the growth performance, antioxidant and anti-inflammatory status, metabolism, and animationbengal.com mid-intestine morphology of Litopenaeus vannamei.

Two isonitrogenous and isolipid diets supplemented with and without 5% Klebsormidium sp.were prepared.Results showed that L.vannamei fed with Klebsormidium sp.

had better growth performance and feed utilization by optimizing mid-intestine morphology and improving the carbohydrate metabolism.In addition, Klebsormidium sp.also enhanced the antioxidant capacity of L.vannamei by downregulating antioxidant parameters (hepatopancreas T-SOD, hepatopancreas GSH-PX, hemolymph T-SOD, hemolymph MDA) and RNA expression levels of antioxidant genes (gsh-px and cat).

Furthermore, the supplementations of dietary Klebsormidium sp.significantly improved hepatopancreas health by downregulating RNA expression levels of pro-inflammatory related genes (relish and rho).Therefore, a dose of 5% Klebsormidium sp.is recommended for the daily diet of L.

vannamei to improve the growth performance, antioxidant and merlot redbud tree for sale anti-inflammatory status, metabolism, and mid-intestine morphology of shrimp.