Values are mean ± standard deviation (n ¼ 3 except for K: n ¼ 27 and HSI and VSI: n ¼ 15). Different superscripts letters in the same row stand for statistical differences
between diets (Tukey test).
HSI, Hepatossomatic index, % ¼ 100 (liver weight/body weight).
VSI, Viscerosomatic index, % ¼ 100 (viscera weight/body weight).
Condition factor or K ¼ [weight (g) 100]/lenght3 (cm).