It is now well recognized that enzymes can be added to animal feeds to improve the efficiency of raw material digestion. This book provides a review of current knowledge of such enzymes, including their mode of action, interaction with intestinal physiology, economic and environmental impacts and application of technology into diets for different farm animal species. * No other book specifically on this topic * Information of relevance to both academic researchers and commercial feed companies * Provides the latest information on this fastest growing area of animal feed technology