Effects of phospholipid addition to diets with different inclusion levels of fish oil on growth and fatty acid body composition of juvenile swimming crab Portunus trituberculatus

作者: Xin-Yu Li , Ji-Teng Wang , Tao Han , Shui-Xin Hu , Yu-Dong Jiang

DOI: 10.1111/ARE.12567

关键词:

摘要: Six experimental diets were designed with two phospholipid (PL; 0% and 1.5%) three fish oil levels (0%, 1% 3%) to evaluate the effects of dietary PL on growth, survival fatty acid composition juvenile swimming crab, Portunus trituberculatus. Diets iso-energetic iso-nitrogenous each diet was fed triplicate groups (initially weight, 24.88 ± 0.04 g per crab) for 59 days. Weight gain (WG) specific growth rate (SGR) increased addition oil-supplemented (P < 0.05). On other hand, WG SGR decreased 3% Crabs supplemented had higher haemolymph low-density lipoprotein cholesterol concentrations muscle crude lipid (P < 0.05) than crabs a none diet. The percentage highly unsaturated acids (HUFA; % total FA) in both polar neutral lipids fractions tissue only case HUFA fraction hepatopancreas by at level In this study, contributed high n-3/n-6 ratio P. trituberculatus. conclusion, is meaningful oil-deficient diets, which it enhanced transport absorption efficiency, hence improving nutritional value

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