The type of oil used in pet food can significantly affect the overall health and well-being of pets. Different types of oils such as poultry oil, salmon oil, vegetable oil, fish oil and animal oil provide different nutritional benefits. For example, salmon and fish oils are excellent sources of omega-3 fatty acids, which support heart, skin and coat health. Poultry and animal oils can provide significant amounts of energy and support skin and coat health. Vegetable oil can provide essential vitamins and antioxidants.