Digestion is key to the survival of your livestock. It allows animals to break down food and use the nutrients in it to help it grow and prosper. Certain animals digest things differently and therefore have different digestive tracts than others. Knowing the digestive tract of the livestock you own allows you to provide the proper feed and nutrients for your animals. Some animals need a certain diet to ensure that they stay healthy and are able to digest their food properly. It can also tell you what kinds of foods you should not feed your animals. For example, many people know not to feed dogs chocolate but they don't know why. The answer is in their digestive tract. Their digestive system is not able to digest a certain chemical in the chocolate because it is toxic and if they ingest too much they can die. Chickens need to eat small stones to help then churn food in their stomach as well, and without it that process can be much more difficult. The same can go for other livestock as well. Without knowing these things about your animals digestive tract, you can easily make a mistake or neglect to add something to their feed and that can potentially cause a problem with your animals.