The invention relates to the use of at least one bacterial amylase in combination with one or more protease(s) in feed for ruminant animals of the subfamily Bovinae for improving digestibility of maize and/or maize silages, in particular for improving milk yield, weight gain, and/or Feed Conversion Ratio (FCR). Examples of bovine animals are dairy cows and beef cattle. The invention also relates to the use of such enzyme combinations in feed additive compositions and animal feed compositions enriched with maize and maize silages.
