caa a22 4500 605464553 CHVBK 20210128100258.0 cr unu---uuuuu 210128e20150801xx s 000 0 eng 10.1007/s10499-014-9856-5 doi (NATIONALLICENCE)springer-10.1007/s10499-014-9856-5 Dietary lipid concentrations influence growth and chemical and fatty acid compositions of juvenile redlip mullet, Liza haematocheila [Elektronische Daten] [Wenping Yang, Aimin Wang, Feng Gao, Yebing Yu, Linlan Lv, Fu Lv] The aim of the study was to investigate the effects of dietary lipid on growth, body and muscle proximate and fatty acid compositions in the juvenile redlip mullet (Liza haematocheila). Six iso-nitrogenous and iso-energetic experimental diets (protein: 30.7±0.1% and gross energy: 22.3±0.1MJkg−1) with increasing lipid (2.0, 4.8, 7.5, 9.8, 12.0 and 14.6% lipid on a dry matter basis) were fed to groups of juvenile mullet (initial weight 9.5±0.3g) for 60days. The fish fed diets containing 7.5 and 9.8% lipids had significantly higher weight gain (WG), lower feed conversion ratio and higher protein efficiency ratio compared to other groups (p<0.05). Muscle and whole-body lipid concentration increased with increasing dietary lipid, and the opposite was observed for muscle and whole-body moisture. Polynomial regression analysis using a plot of WG against dietary lipid concentration gave 9.1% lipid as the optimal dietary lipid level. Excess dietary lipid level should be avoided, because higher levels of dietary lipid (12.0-14.6%) impaired growth and resulted in increased body lipid (fat) deposition. In each experimental treatment, docosahexaenoic acid (22:6n-3, DHA) concentration was always higher than eicosapentaenoic acid (20:5n-3, EPA) in specific tissues (muscle, liver and abdominal fat) and whole-body lipids, suggesting that DHA was probably more important in juvenile mullet live cycle than EPA. Springer International Publishing Switzerland, 2014 Body composition nationallicence DHA concentration nationallicence Fatty acid nationallicence Growth nationallicence Lipid level nationallicence Liza haematocheila nationallicence Yang Wenping Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China aut Wang Aimin Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut Gao Feng Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China aut Yu Yebing Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut Lv Linlan Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut Lv Fu Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut Aquaculture International Springer International Publishing 23/4(2015-08-01), 981-996 0967-6120 23:4<981 2015 23 10499 https://doi.org/10.1007/s10499-014-9856-5 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10499-014-9856-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Yang Wenping Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China aut NATIONALLICENCE 700 1- Wang Aimin Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut NATIONALLICENCE 700 1- Gao Feng Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China aut NATIONALLICENCE 700 1- Yu Yebing Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut NATIONALLICENCE 700 1- Lv Linlan Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut NATIONALLICENCE 700 1- Lv Fu Key Laboratory for Aquaculture and Ecology of Coastal Pool of Jiangsu Province, Department of Ocean Technology, Yancheng Institute of Technology, Yancheng, China aut NATIONALLICENCE 773 0- Aquaculture International Springer International Publishing 23/4(2015-08-01), 981-996 0967-6120 23:4<981 2015 23 10499