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.