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Why does my dog vomit and refuse new food during kibble transition?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed | 3 years and 7 months old | 48 lbs

So I’ve been trying to switch my dog to a new kibble brand (Kirkland dog food) and she has been puking up clear vomit at night. I’ve only been mixing 1/4-1/3 cup into her morning meals with the old kibble. What can I do to make this transition easier? Today she absolutely refused eating the new food that was mixed in

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1 Answer

Most Helpful Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on February 4th, 2020

She has probably developed an aversion to the new food making her vomit and now she doesn't want it. I think you are better off using a different food. This one does not agree with her for some reason. The only suggestion I would have is to put a gravy (food topper) or some canned dog food mixed with it to see if that will help. I'm pretty sure Kirkland has canned food as well as dry. ( https://www.petco.com/shop/en/petcostore/product/wholehearted-lamb-recipe-in-gravy-dog-meal-topper )

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