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Switching food · 2026-09-12

How to switch a dog to a new food in 7 days without digestive upset

A sudden change of food is the most common cause of digestive upset in healthy dogs. The gut flora needs time to adapt to the new composition. Here is the plan we recommend to DELICATE customers.

The 7-day plan

Days 1–225% new + 75% old
Days 3–450% new + 50% old
Days 5–675% new + 25% old
Day 7100% new food

For dogs with sensitive digestion, stretch the plan to 10–14 days. Calculate the total amount using the daily amount for the new food, not the old one — the energy content may differ.

See also: Dry food or home-cooked · Dog hair loss · How much it costs to feed a dog per day · Diarrhea in dogs

What to watch for

Stool
Normal is formed, 1–2 times a day. Soft stool for 1–2 days at the start is normal; loose stool for more than 2 days means go back a step.
Appetite
If your dog picks out the old kibble and leaves the new — don't add treats. Give it 15 minutes, then take the bowl away.
Skin and coat
The real effect of a new food on the coat shows after 3–4 weeks. Don't judge it earlier.

When a switch is needed

A change of life stage (puppy → adult → senior), a change in activity, a new allergy, or when the current food “isn't working”: dull coat, bad breath, excessive shedding. If your dog is healthy and the food suits it, there is no need to change for variety's sake — dogs don't need new flavors the way people do.

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