Also, poultry meal, usually chicken, but not poultry by-product. Some puppy foods cater specifically to large breeds to control their rate of growth. The same principle applies for in the future when a senior dog's nutritional needs change. Tall dogs need to eat from a rapid dog birdfeeder. https://Click4R.com/posts/g/21050542/nutritional-needs-for-senior-years-the-ideal-senior-dog-foods