Reevaluating Polyunsaturated Fatty Acid Essentiality in Nile Tilapia

Nile Tilapia Oreochromis niloticus have a reported dietary requirement for the n‐6 C 18 polyunsaturated fatty acid ( PUFA ) 18:2n‐6 (linoleic acid), but direct provision of the n‐6 long‐chain ( LC ) PUFA 20:4n‐6 (arachidonic acid) may be a more efficient approach. No quantitative requirement for n‐3 fatty acids has been formally recognized for tilapias, but beneficial effects of having both n‐3 and n‐6 PUFA s in the diet have been reported. To...