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My 9 year old jack Russell started biting family members as well as people he has known for years. He started doing this about a year ago. Not sure why.

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Feb 03, 2015
8 year old snappy Jack Russell
by: Lynne

My 8 year old Jack Russell has been doing the same thing. Sometimes if someone tries to pick him up he will snap at them. Sometimes he will try and bite their shoe. Occasionally, he snaps just when they go to try and pet him.

Also, if he is on the couch or on the bed and you try to move him, he will snap.

This is so upsetting to me.

Jan 06, 2015
Jack Russell starting biting
by: Agnes

It's concerning when an adult dog seemingly out of nowhere starts a new behavior. I would definitely take your Jack to the vet to rule out any medical issues. It could be that your dog is in pain and that is how he is acting out. It could be a sign of cognitive dysfunction. Or it could be behavioral based - but you need to rule out the medical stuff first in order to determine this is the cause.

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