Broilers and piglets 0-21 days of age have not matured their enzyme system, it is important to apply exogenous enzymes to improve the digestibility of the food, a cocktail of enzymes for example:
-Amylase
-Protease
-Lipase
-Xylanase
-phytase
-Suplentada a probiotic or prebiotic
Some companies that manufacture additives should be interested in the elaboration of enzymatic cocktail.