The addition erogenous protease in diets seems to reduce endogenous protease and amylase activity.However erogenous amylase supplementation does not reduce any endogenous enzyme activity.

• 饵料中外因性蛋白脢之添加，似乎会降低草虾内因性蛋白脢和淀粉脢 活性，而外因性淀粉脢之添加则否。