Differential gene expression of fatty acid Δ-6 desaturase (D6fad) and fatty acid elongase 5 (Elovl5) in liver of rainbow trout, fed with the two experimental diets with (H-Chol) or without (L-Chol) cholesterol fortification.

<p>(* significant differences between L-Chol and H-Chol, P<0.05, <i>n</i> = 3).