The contents of this book are derived from a PhD work. This book will be benefit the students and researchers who are involved in ruminant nutrition research especially in developing countries where low quality forages are a major part of ruminant diets. The first chapter of this book details factors that limit forage digestion, methods that can improve forage quality and supplements including herbs and spices that can enhance microbial activity to increase forage utilisation by ruminants. The 2nd chapter describes the laboratory methods that can be used to determine chemical composition and...