Wouldn't get up, or just didn't feel up to walking. It's quite cold recently so I'm sure they would be put off if they're a small dog or not built for the cold. But if they looked like they were having issues walking, or are lethargic and not eating, get them to a vet asap
You should take her to the vet if you feel like it's an actual concern. Definitely don't ask petsmart.
Time to see the vet
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