Oleum canis barf oil is a healthy vitalising mix of only the very best oils and it is suitable for dogs that are fed a barf diet it is packed full of unsaturated fatty acids vitamins and minerals this unique and very tasty blend of top quality oils such as hempseed linseed argan pomegranate seed rosehip and black cumin can be used as a treatment over several weeks and as a daily supplement to your dogs barf diet oleum canis products are produced by a small manufacturer in allgu their