Journal
FISH & SHELLFISH IMMUNOLOGY
Volume 97, Issue -, Pages 509-514Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fsi.2019.12.068
Keywords
LBP; Nile tilapia; Immunology; Apoptosis; Growth performance
Funding
- Guangxi Science and Technology Research Program [AA17204094-2]
- China Agriculture Research System [CARS-46]
- National Natural Science Foundation of China [31560716, 31960733]
- National Key Research and Development Program of China [2018YFD0900601]
- Natural Science Foundation of Guangxi [2018GXNSFAA138128, 2016GXNSFFA380002]
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In this study, the effect of Lycium barbarum polysaccharides (LBP) on immunological parameters, apoptosis, and growth performance of Nile tilapia (Oreochromis niloticus) was investigated. Dietary supplementation with LBP significantly increased complement 3 (C3) activity and promoted interleukin IL-1 beta gene expression in spleen tissue, significantly reduced apoptosis in spleen tissue, increased the specific growth rate (SGR), relative length gain (LG), and relative weight gain (WG) of Nile tilapia. However, dietary supplementation with LBP did not have a significant effect on serum alkaline phosphatase (AKP), malondialdehyde (MDA), and superoxide dismutase (SOD), blood constituents, apoptosis, or gene expression of IL-1 beta in liver tissue. Overall, the results showed that dietary supplementation with LBP increased the nonspecific immunity of Nile tilapia and reduced the apoptosis rate to promote growth and development. Thus, LBP has potential for use as a new immunostimulant in aquaculture.
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