Puppies need a finely-tuned balance, which many adult dog foods don't necessarily provide. If you do choose to feed your pup adult dog food, then that's okay. Adult food won't necessarily make your puppy seriously ill - it's dog food after all. They may, however, experience an upset stomach here and there.
What happens if a puppy eat Senior dog food?
There's certainly nothing toxic about adult dog food, and your puppy won't become sick from eating the odd bowl of kibble or stealing morsels from his big-brother's dish (aside, potentially, from some minor digestive upset). However, long-term damage can result from a steady diet of adult dog food.
What is the difference between puppy and senior dog food?
Senior dog foods do have some differences from those labeled as Adult and Puppy formulas when it comes to nutrition composition. On average, senior dog foods have less protein, less fats, and higher carbohydrates than adult and puppy diets. This may or may not be a good thing for your pet.
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