Table 1.

Characterization of the fat and lean rainbow trout lines. Muscle lipid content and levels of mRNAs for genes previously known to be hepatic metabolic biomarkers for the two lines (Skiba-Cassy et al, 2009; Panserat et al, 2009, Kamalam et al, 2012; Kamalam et al, 2013) are shown.

	Lean Lines	Fat Lines	P values
Hepatic Gene expression * (AU) (n=10 fish per group)
cpt1	1.24 ± 0.58	0.62 ± 0.49	0.02
d6d	0.85 ± 0.14	1.23 ± 0.39	0.01
g6pd	0.84 ± 0.34	1.16 ± 0.31	0.04
pepck	0.87 ± 0.26	1.28 ± 0.31	4 10-3
Lipid muscle content (%) (n=6 fish per group** –
Fish Weight (g) Liver Weight (g)	4.33 ± 0.71 89,6±2,3 0,81±0,03	8.06 ± 1.21 86,8±2,6 0,87±0,04	7 10-3 N.S N.S

* EF1α: reference gene ** Folch measure cpt1: carnitine palmitoyltransferase type 1; d6d: Δ6-desaturase; g6pd: glucose-6-phosphate dehydrogenase; pepck: phosphoenolpyruvate carboxykinase.