Abstract
This project aim to evaluate the activity of digestive enzymes of Nile tilapia (Oreochromis niloticus) fed diets containing 0.08% of commercial probiotic AQUA-PHOTO which is composed by Lactobacillus plantarum (1.51x106 UFC/g) and Bacillus subtilis (1.34x107 UFC/g). The experimental design will be completely randomized with two treatments and 16 replicates (each fish will be considered as…