g, respectively. Fish were acclimated for one week
by feeding twice per day with 28, 30 and 35%
protein feed for the 92.1, 35.8 and 5.7 g fish,
respectively. The upper and lower intestines,
pseudostomach and liver were collected from 100
fish in each size group and weighed 16 hours after
feeding. Samples were stored at -80°C until used