Effects of dietary achyranthes bidentata polysaccharide levels on partial non-specific immunity and lipid metabolism in blood parrot
CUI Pei1，2，3，FAN Yun-shuo1，BAI Dong-qing1，3，SUN Xue-liang1，YOU Hong-zheng3，4
1.Tianjin Key Laboratory of Aqua-ecology and Aquaculture，College of Fisheries Science，Tianjin Agricultural University，Tianjin 300384，China；2.School of Marine Sciences，Ningbo University，Ningbo 315211，China；3.Tianjin Center of Ornamental Fish Technology Engineering，Tianjin 300042，China；4.Tianjin Fisheries Research Institute，Tianjin 300042，China
Abstract: A feeding trial was conducted to investigate effects of dietary achyranthes bidentata polysaccharide （ABP）levels on partial non-specific immunity and lipid metabolism in blood parrot（Cichlasoma citrinellum♂× C.synspilum♀）.Blood parrot with body weight of（48.0±3.5）g were fed apparent satiation diets containing fat at rate of 8%and 14%of the basal diet and the high-fat diet supplemented with achyranthes bidentata polysaccharide at a rate of 0，0.05%，0.10%，0.20%and 0.40%for 28 d with triplication to evaluate the feasible use of ABP in aquaculture.The indices of partial non-specific immunity and lipid metabolism were determined in the blood parrot fed the diets 7，4，21，and 28 days after administration.The results showed that，as increase in addition of ABP，activities of superoxide dismutase（SOD），catalase（CAT），and lysozyme（LZM）were increased and levels of malondialdehyde（MDA）was decreased significantly（P＜0.05）without significant effect（P＞0.05）on activities of lipoprotein lipase（LPL）and fatty acid synthase（FAS）in liver.In serum，however，alanine aminotransferase（ALT）activity and blood glucose（Glu）level were decreased significantly（P＜0.05）without significant effect（P＞0.05）on aspartate aminotransferase（AST）activity（except for the fish fed the diet containing 0.20%of ABP，and levels of triglyceride（TG），and total cholesterol（CHOL）.In summary，dietary ABP）leads to improve antioxidant capacity and lysozyme activity in liver，and to reduce liver injury and has quite obvious fuctions in the diabetic treatment in blood parrot.It is recommended that 0.40%ABP be of the optimal dietary dose with 14 days continuous feeding.
崔培, 范耘硕, 白东清, 孙学亮, 尤宏争. 牛膝多糖对血鹦鹉部分非特异性免疫与脂类代谢指标的影响[J]. 大连海洋大学学报, 2016, 31(4): 397-403.
CUI Pei, FAN Yun-shuo, BAI Dong-qing, SUN Xue-liang, YOU Hong-zheng, . Effects of dietary achyranthes bidentata polysaccharide levels on partial non-specific immunity and lipid metabolism in blood parrot. Journal of Dalian Ocean University, 2016, 31(4): 397-403.
2016, Vol. 31 
