Why is my 1-year-old dog suddenly aggressive towards other pets?

Question

Why has my Jack Tzu (parsons Russell/ shih tux becoming aggressive? she is one year old and currently lives with 3 male cats and Oder visit 6 month old Rottweiler brother and sister dogs. Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 1 year and 5 months old | 12 lbs

David Darvishian · Accepted Answer

Hi and thanks for using Petco Pet Education Center, formerly Petcoach! Sorry to hear about Mylah and her apparent aggression. Aggression problems can be very complicated and complex. One thing you should do initially is take her to your veterinarian and let them make sure that she is healthy and that nothing appears wrong medically. Pain, etc can bring about aggression and irritability problems. Once the medical check is cleared, then you can discuss with your vet exactly what is going on behaviorally. Your veterinarian may want to refer you to a certified trainer or animal behaviorist to try to sort out what is triggering the aggression. I see she is spayed so we can rule out irritability/aggression associated with her heat cycles. I wish you the best of luck with little cutie Mylah.

Why is my 1-year-old dog suddenly aggressive towards other pets?

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