Goats are ruminants and the economics of feeding your goats constitutes a major part of your herd costs. Knowledge about your goats' digestive systems is useful, so that you understand the process of how your goat gains nutrients and energy from its food to keep them healthy and productive. This short and simple guide explains the four chambers and the processes of goat's stomachs and the digestive processes. The guide also gives you a lot to consider about the feed you give your goats, so that you optimise their output and produce, whether you want to increase growth for meat, production of milk and for breeding success.