Impacts of tea polyphenols on growth, antioxidant capacity and immunity in juvenile hybrid grouper (Epinephelus fuscoguttatus ♀ × E. lanceolatus ♂) fed high-lipid diets

The experiment aimed to investigate the alteration of tea polyphenols (TP) in growth and immunity for hybrid grouper (Epinephelus fuscoguttatus ♀ × E. lanceolatus ♂) fed high-lipid diets. Six concentrations of TP (0, 0.01, 0.02, 0.04, 0.08, 0.16%, named TP1 (basic diet control), TP2, TP3, TP4, TP5,...

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Published in:Fish & shellfish immunology 2022-09, Vol.128, p.348-359
Main Authors: Pan, Simiao, Yan, Xiaobo, Li, Tao, Suo, Xiangxiang, Liu, Hao, Tan, Beiping, Huang, Weibin, Yang, Yuanzhi, Zhang, Haitao, Dong, Xiaohui
Format: Article
Language:English
Subjects:
Growth
High-lipid diets
Hybrid grouper (Epinephelus fuscoguttatus ♀ × E. lanceolatus ♂)
Immunity
Tea polyphenols
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Summary:The experiment aimed to investigate the alteration of tea polyphenols (TP) in growth and immunity for hybrid grouper (Epinephelus fuscoguttatus ♀ × E. lanceolatus ♂) fed high-lipid diets. Six concentrations of TP (0, 0.01, 0.02, 0.04, 0.08, 0.16%, named TP1 (basic diet control), TP2, TP3, TP4, TP5, TP6) were supplied in isonitrogenous (51%) and isolipidic (16.7%) experimental diets. These diets were fed to the juvenile grouper (8.68 ± 0.22 g) for 8 weeks. The results showed that dietary TP significantly increased the weight gain rate and specific growth rate (P 
ISSN:1050-4648
1095-9947
DOI:10.1016/j.fsi.2022.08.013