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When to switch my 1-year-old mixed dog from puppy to adult food?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 11 months and 22 days old

Panda will be one year old on the 4th October because he is shih tzu border collie cross he is still on puppy food when is is OK to change to adult also does too much protein make them hyperactive . He has recently just had a growth spurt but his wrists are smooth but I am unsure when its right to stop puppy due to mix he is still entire and won't be done till 18 months due to mix .

1 Answer

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on September 26th, 2017

You can monitor his growth and weight and when he has reached maturity then you can switch him to an adult dog food. Probably between 12 and 16 months of age. Gradually switch him to the new food as diet change can cause gastric upset. Too much protein should not make him hyperactive.

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