The first year of your dog's life is crucial to their long-term health, which is why they need nutrition specifically formulated to nourish their developing bodies and minds. PRO PLAN Puppy Medium Breed Chicken Dry Dog Food with Colostrum and Probiotics combines all the essential nutrients that puppies need, including colostrum - proven to boost the immune system and protect them from common intestinal upsets. These recipes help provide targeted benefits, such as high digestibility and high nutrient absorption to support your dog's long-term health. Now with PRO PLAN, you can nourish your dogs microbiome with Probiotics to support their gut, immune and overall health.