These include taurine, and vitamin B12, which must be supplemented. The condition is attributed to lack of adequate calcium, iodine and vitamins A and B1. The natural diet is far more varied. Wild dogs and cats eat not only the meat but also the bones, organs, and intestines containing assorted vegetable matter. The Vegetarian Society recommends providing your vegetarian dog with plenty of variety, to avoid deficiencies.
Dogs often like a little honey for flavour, on cereals for example.
At the same time, check that you provide sources of protein, carbohydrates, fats and oils, vitamins, minerals etc. Remember that dogs have a shorter digestive tract than humans, and may not cope so well with large quantities of fibrous foods. Dogs love most cooked vegetables, but may prefer them cut into small pieces or pureed. Dogs generally do well on two meals daily, a smallish breakfast and a main afternoon or evening meal. For breakfast, try feeding your dog wholegrain cereals like muesli, Shredded Wheat or porridge in milk.