Dr John 12.5kg Grain-Free Dog Food - Chicken & PotatoDr John Grain Free Dog Food is a completely grain free food formulated for sporting and working dogs that require a sensitive diet or those dogs that have difficulty in digesting cereals. Dr John Grain Free formulation is built upon an excellent chicken base of 33% and this contributes to the protein level of 25% and an oils and fats level of 10. 5%, making it an ideal feed for working dogs and well exercised dogs from 8 months upwards. In keeping