Dietary supplementation with fermented antarctic krill shell improved the growth performance, digestive and antioxidant capability of Macrobrachium nipponense
文献类型： 外文期刊
作者： Yan, Ying 1 ; Lin, Yan 2 ; Zhang, Lin 1 ; Gao, Guodong 1 ; Chen, Shiyou 1 ; Chi, Changhong 1 ; Hu, Songqin 1 ; Sang, Yuhang 1 ; Chu, Xiaoyu 1 ; Zhou, Qunlan 1 ; Liu, Bo 1 ; Zhao, Yongfeng 1 ; Miao, Linghong 1 ; Ge, Xianping 1 ;
作者机构： 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China
2.Chinese Acad Fishery Sci, Minist Agr Freshwater Fisheries Res Ctr, Key Lab Aquat Anim Nutr & Hlth, Key Lab,Freshwater Fisheries & Germplasm Resources, Wuxi 214081, Peoples R China
关键词： Macrobrachium nipponense; Fermented antarctic krill shell; Growth performance; Antioxidation; Digestive enzyme
期刊名称：AQUACULTURE REPORTS （ 2022影响因子：3.7； 五年影响因子：3.8 ）
ISSN： 2352-5134
年卷期： 2023 年 30 卷
收录情况： SCI
摘要： To investigate the effects of different levels of fermented antarctic krill shell (FAKS) on the growth performance, hemolymph biochemistry, hepatopancreatic antioxidant capacity, and digestive enzyme activities of Macrobrachium nipponense, five isonitrogenous and isoenergetic experimental diets containing different proportions of FAKS (0 %, 0.25 %, 0.5 %, 1.0 %, 2.0 %) were fed to M. nipponense for 8 weeks. The results showed the weight gain rate (WGR), specific growth rate (SGR), head-to-body ratio (H/S), and head-to-tail ratio (H/T) increased first and then decreased with higher proportions of FAKS. The FAKS1.0 group exhibited the highest values, and significantly higher than that of the FAKS0 group (P < 0.05). Compared with the control group, FAKS inclusion could increase the concentration of hemolymph albumin (ALB), and reduce the concentration of alkaline phosphatase (ALP) (P < 0.05). The concentration of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were significantly lower in the FAKS1.0 group (P < 0.05). The hepatopancreas trypsin (TPS) concentration in the FAKS1.0 group, and the lipoprotein lipase (LPL) concentration in the FAKS0.25, FAKS0.5 and FAKS1.0 groups were significantly higher than that in other groups respectively (P < 0.05). With increasing proportions of FAKS, the activity of superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and ceruloplasmin (CP) in the hepatopancreas tended to increase and then decrease, and were significantly higher in the FAKS0.5 group than that in the FAKS0 group (P < 0.05). The concentration of malondialdehyde (MDA) in the FAKS0.25, FAKS0.5 and FAKS1.0 groups was significantly lower than that in the FAKS0 group (P < 0.05). In conclusion, adding a certain level of FAKS to the feed significantly improved the growth performance, digestive enzyme, and antioxidant enzyme activity of M. nipponense. Based on the quadratic regression curve fitting, the optimal WGR and SGR can be achieved when the proportion of dietary FAKS is 1.140 % and 1.149 %, respectively.
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