Abstract
Different carbohydrate sources—wheat meal, bread meal, soluble corn starch, native potato starch and sorghum meal—were included at 30% in isonitrogenous diets for European eels ( Anguilla anguilla) weighing 4.6 g kept in tanks. Growth and body composition were determined and feed utilization was evaluated. Total gains/m 2 per day were as follows: on wheat, 3.20 g; bread meal, 2.77 g, soluble starch, 2.28 g; sorghum, 1.21 g; and potato, 0.78 g. Percent of protein in whole carcasses was similar for all diets, but percent of fat was higher with wheat and bread meal and lowest with potato starch. Food conversion, protein retention and energy retention were higher for eels fed wheat meal or bread meal than the other carbohydrates.
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