Q. Our 10yo Chihuahua/JR mix has gotten very aggressive. As of late hes bitten me and a friend. How can I convinve my husband it's time to put him down?

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A. Have the dog examined by your vet to rule out medical causes. Endocrine or hormonal changes can affect behavior. If the dog is intact, he should be neutered immediately. Consider a consultation with a veterinary behaviorist as well. All options should be explored before a final decision is made.

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