Use this growth timeline to learn which stage of development he's in. Puppy development involves a lot of stages and milestones as puppies . and temperament of an adult dog between twelve and eighteen months of age.
Dogs age through 5 major growth & personality development stages. of stages of growth and development, we tend to consider dogs either puppies or adults.
Scientific research proves that growing puppies have different nutritional needs to adult dogs. To give your puppy the best start towards a long and healthy life.