Trovet Hypoallergenic (Horse) Dog Dry Food 10Kg All TROVET hypoallergenic diets are based on a single (animal) protein source and a single carbohydrate source and contain all the essential nutrients in optimal amounts.The addition of a vitamin and mineral mix is not necessary. All of the TROVET hypoallergenic dietary food variants can be given for life. Prevents immunological reactions (food allergy) or non-immunological reactions (food intolerance) in the form of skin problems and/or digestive problems (diarrhoea, vomiting).Changing to a hypoallergenic diet will help to slowly reduce itching. This reduces scratching, rubbing and biting, which can cause secondary skin lesions.