How Often Should You Change Your Dog’s Food?

Question

How Often Should You Change Your Dog's Food?

Short answer

There is no requirement to change food if your dog is healthy, has good weight, normal stool, and accepts the food well. Variety can make sense for some dogs, but frequent changes can cause digestive upset, especially in sensitive dogs.

When change makes sense

Change may make sense for life stage, weight change, disease, availability, price, confirmed allergy, palatability, or veterinary advice.

When not to change

If your dog is on a therapeutic diet, has chronic disease, a sensitive stomach, or allergy under investigation, do not rotate foods without your veterinarian.

How to change safely

Transition gradually and keep treats stable. If loose stool, vomiting, or itching occurs, slow down or stop.

Conclusion

Changing for a reason is different from changing on impulse. If the current food works, there is no urgency. If you switch, use a plan.

Sources consulted

• AAFCO — Selecting the Right Pet Food: https://www.aafco.org/consumers/understanding-pet-food/selecting-the-right-pet-food/
• AAFCO — Natural: https://www.aafco.org/consumers/understanding-pet-food/natural/
• AAHA — Nutrition and Weight Management Guidelines: https://www.aaha.org/wp-content/uploads/2021/06/new-2021-aaha-nutrition-and-weight-management-guidelines-with-ref.pdf
• AAHA — Nutritional Assessment: https://www.aaha.org/resources/life-stage-canine-2019/nutritional-assessment-2/
• WSAVA — Nutrition Guidelines: https://wsava.org/Global-Guidelines/Global-Nutrition-Guidelines/
• FDA — Proper Storage of Pet Food & Treats: https://www.fda.gov/animal-veterinary/animal-health-literacy/proper-storage-pet-food-treats
• PetMD — How To Store Dog Food: https://www.petmd.com/dog/nutrition/how-to-store-dog-food
• PetMD — Dog Food Ingredients and Labels: https://www.petmd.com/dog/nutrition/pet-food-ingredient-and-label-guide
• AKC — Best Dog Food for Sensitive Stomachs: https://www.akc.org/expert-advice/nutrition/best-dog-food-sensitive-stomachs/
• VCA — Skin, Coat and Diet: https://vcahospitals.com/know-your-pet/the-importance-of-your-pets-skin-and-coat-and-the-role-of-diet
• Merck Veterinary Manual — Nutritional Requirements of Small Animals: https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals