oh okay, it may be the collar. Zoe scratched at her collar too, as a pup.
If you take the collar off, is Louis okay?
Perhaps do a gradual collar training thing.
Linda and Zoë, the Umlaut
Welcome, I hope you get everything worked out
Judy and Jack
"If you are not living on the edge you are taking up too much room."
"Jack catching a few rays."