Animal digestion is very important to know if you plan to go into an agricultural field of work. Its good to know what types of foods and plants are good for the animals. Its also good to know what types of plants and foods can harm the animals based on how their digestive tract works. Varying livestock need different concentrations of different types of nutrients. For example, swine need a higher percentage of crude protein in their meal than horses. Knowing the right combination of all the essential nutrients for your livestock is very beneficial to your live stocks health. Different plants can be very harmful to varying livestock. For example, milkweed is very harmful to cattle but causes no effect in llamas. Knowing what plants might hurt your animals can keep you from having trouble with their health. Knowing these things can help to raise healthier animals and make your work with them a lot easier.