Optimising the essential fatty acids in the diet for weight gain of the prawn, Penaeus monodon

摘要: Abstract A study of the influence proportion dietary essential fatty acids (EFA) in lipid diets fed to prawn, Penaeus monodon , showed clearly that these nutrients are required as a total diet. factorial array were prepared contain optimal levels (g kg −1 ) acids, linoleic (LOA, 18:2 n −6), linolenic (LNA, 18:3 −3), eicosapentaenoic (EPA, 20:5 −2) and docosahexaenoic (DHA, 22:6 −3). As second factor study, amount diet was also increased at incremented from 45 135 g 30 increments. The weight gain prawns greatest (156.2±6.2%) when their contained 75 which acids. Weight with containing 17 greater (148.0±3.4%) than had (124.0±6.8%). nutritional condition prawns, determined by digestive glands, generally reflective gain, though there exceptions, higher prawn DG faster growing prawns. acid composition mimicked lipid. proportions each varied marginally between treatments, but LOA, LNA, EPA DHA present slightly lower influenced lowest inclusion level compared levels. results this indicate EFA diet, not Accordingly, it is suggested should be defined percentage conjunction an indication This for less 105 .