Formulation and proximate composition of the experimental diets.

1Experimental diets abbreviations: LLA Low Linoleic Acid diet; HLA – High Linoleic Acid diet.2Basal diet composition (g/kg): fish meal 129.4; poultry by-product meal 318.5; soybean protein concentrate 124.4; blood meal 24.9; pre-gelatinised starch 209.0; mineral and vitamin mix 8; amino acid mix (methionine, lysine, aspartic acid and glutamic acid) 23.6; Celite® 5.3Nitrogen free extracts calculated by difference.4Calculated on the basis of 23.6, 39.5 and 17.2 kJ/g of protein, fat and carbohydrate, respectively.