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Will my dog's poop get bigger if I switch to high-fiber wet food?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Female | spayed | 5 years and 3 months old | 17 lbs

The canned food by natural balance is around 7-9% fiber (dry matter basis) vs. 3-4-% fiber in the dry. Will she have larger stools or I feed the wet to her?

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on September 20th, 2017

Hello, & thank you for using Petco Pet Education Center, formerly Petcoach. This is a very good question! The easiest answer is no, Chloe will not have an increase in stool size with the wet food. The reason for this is the increased amount of water offsets the increased fiber content, which is also only really slightly higher in the wet vs. the dry food. The other part to this answer is that some fiber is digestable, so again will not add more bulk to the stool. So if Chloe prefers the wet over the dry, which is fine, her stools should not change much as all, as long as the overall total calorie counts remain the same.

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