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Anthraquinone extract from Rheum officinale Bail improves growth performance and Toll–Relish signaling-regulated immunity and hyperthermia tolerance in freshwater prawn Macrobrachium nipponense

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Abstract

This study was aimed to investigate the facilitation of anthraquinone extract on growth performance, immunity, and antioxidant capacity of the oriental river prawn (Macrobrachium nipponense), and whether it could ameliorate the hyperthermia stress. A 12-week rearing experiment was conducted with 0, 125, 250, 500, and 1000 mg kg−1 anthraquinone extract from Rheum officinale Bail-supplemented diets (AE0, AE125, AE250, AE500, and AE1000), and followed a 48-h thermal stress with 32℃ incubation. Results indicate AE250 and AE500 significantly improved the growth performance and feed utilization, the optimum level was estimated to be 251.22 mg kg−1 based on the regression analysis of special growth ratio (SGR). Meanwhile, AE250 and AE500 improved antioxidant enzyme activity and immune-related protein concentration of iNOS-NO signaling. Under thermal stress, AE250 and AE500 improved the heat tolerance, and Toll–Relish signaling was active to the resistance. These results indicate anthraquinone extract could be used as an effective immunostimulant to improve growth performance, physiological balance and protect organism form environmental hyperthermia stress. This may provide insights for immunostimulant development in aquaculture production.

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Acknowledgements

This work was financially supported by the Central Public-interest Scientific Institution Basal Research Fund, CAFS (2018HY-ZD0501); the earmarked fund for Jiangsu Agricultural Industry Technology System (JFTS(2019)474); the China Agriculture Research System-48 (CARS-48); the Project of National Key R&D Program of China (2019YFD09002); the Project of Six Talent Peaks in Jiangsu Province (NY-174) and Scientific Research Foundation for the Returned Overseas Chinese Scholars in Wuxi City (201708).

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Contributions

SC and LB contributed to the design of the experiment; JS and XY provided the rearing ponds; JZ conducted the rearing experiment; ZQ, BL, and ZH analyzed the parameters; SC and SC analyzed the data; SC wrote the paper; SC and LB revised the paper; all the authors approved the final version of the paper.

Corresponding authors

Correspondence to Changyou Song or Bo Liu.

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The authors declare that they have no conflict of interest in the publication.

Ethics statement

This study was approved by the Animal Care and Use Committee of Nanjing Agricultural University (Nanjing, China). All animal procedures were performed according to the Guideline for the Care and Use of Laboratory Animals in China.

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Song, C., Liu, B., Jiang, S. et al. Anthraquinone extract from Rheum officinale Bail improves growth performance and Toll–Relish signaling-regulated immunity and hyperthermia tolerance in freshwater prawn Macrobrachium nipponense. 3 Biotech 10, 526 (2020). https://doi.org/10.1007/s13205-020-02519-4

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  • DOI: https://doi.org/10.1007/s13205-020-02519-4

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