Oleum canis contains only the best oil from fresh norwegian fish and contains an extra dose of natural polyunsaturated fatty acids this oil is also suitable for cats the high amount of omega 3 and omega 6 fatty acids helps to provide your dog with a shiny coat and healthy skin dpa dha and epa long chain fatty acids can also help to increase vitality strengthen the immune and nervous systems and promote healthy heart and brain function cold pressing is a gentle method which ensures that t