By feeding Field & Trial Puppy Duck & Rice from weaning up to approximately 6 months of age, you will ensure that your puppy receives all the proteins, carbohydrates, vitamins, minerals and oils which are essential for steady growth. Field & Trial Puppy Duck & Rice is completely hypoallergenic for puppies with sensitivities or allergies. As well as containing MOS (Mannan Oligosaccharide), a natural digestion enhancer derived from vegetable sources, to help maintain a healthy digestive system, it also contains marine algae providing enhanced levels of DHA Omega-3 which provides many natural health benefits including the support of brain and eye development and cognitive function.Field & Trial Puppy Duck & Rice is completely hypoallergenic and is specifically formulated to meet the nutritional requirements of puppies and young working dogs during their first and most crucial stages of development.