Department of Fish Nutrition and Biochemistry, Central Institute of Fisheries Education, Versova, Mumbai, 400061, India.
Department of Aquaculture System and Animal Nutrition in the Tropics and Subtropics (480b), University of Hohenheim, 70599, Stuttgart, Germany.
Fish Physiol Biochem. 2010 Sep;36(3):411-417. doi: 10.1007/s10695-009-9309-7. Epub 2009 Mar 15.
The proximate composition of the whole body and the fatty acid composition of the liver, muscle, eye and brain of wild and cultured rohu (Labeo rohita) were analyzed. The cultured species was found to have significantly (P < 0.05) higher lipid contents than its wild counterpart. The saturated (SFA) and monounsaturated (MUFA) fatty acid contents were significantly higher in the cultured species, whereas the n-6 and n-3 polyunsaturated fatty acid (PUFA) levels were higher in the wild species. Fatty acids C16:0 and C18:1 n-9 were the principal fatty acids of the SFAs and MUFAs, respectively, identified in the analyses. Docosahexaenoic acid, eicosapentaenoic acid, and arachidonic acid were the predominant PUFAs in both groups, and all three were found to be present at significantly (P < 0.05) higher levels in the wild species. Erucic acid (C22:1 n-9), which was the predominant fatty acid (30.76%) in the feed, was detected only at low levels in muscle (0.30%), liver (1.04%) and eye (1.28%) of cultured fish tissue.
分析了野生和养殖罗非鱼（Labeo rohita）的全身近似成分和肝脏、肌肉、眼睛和大脑的脂肪酸组成。养殖品种的脂质含量明显高于野生品种（P < 0.05）。养殖品种的饱和脂肪酸（SFA）和单不饱和脂肪酸（MUFA）含量明显较高，而野生品种的 n-6 和 n-3 多不饱和脂肪酸（PUFA）水平较高。在所分析的 SFAs 和 MUFA 中，分别以 C16:0 和 C18:1 n-9 为主要脂肪酸。在这两个群体中，二十二碳六烯酸、二十碳五烯酸和花生四烯酸都是主要的多不饱和脂肪酸，而且在野生群体中都发现它们的含量明显更高（P < 0.05）。在饲料中占主导地位的芥酸（C22:1 n-9）在养殖鱼类组织的肌肉（0.30%）、肝脏（1.04%）和眼睛（1.28%）中仅检测到低水平。
