Table 5
Correlation coefficients of starch content from test ingredients (wheat bran, cassava resi- due, ground corn and broken rice) versus enzyme specific activity for jundiá catfish and Nile tilapia.
Plant source
Fish species Test ingredients
variablea
Enzyme specific
activityb
R P-value
Jundiá catfish Starch Amylase − 0.05 0.8094
Maltase − 0.45 0.0061
Nile tilapia Starch Amylase − 0.27 0.1005
Maltase 0.26 0.1303
a Starch is given in g kg−1 diet.
b Amylase and maltase are given in U mg−1 protein.