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Why is my unneutered bulldog aggressive over me to my other dog?

Updated On September 23rd, 2025

Pet's info: Dog | English Bulldog | Male | unneutered | 10 months and 3 days old | 67 lbs

BEHAVIOR & TRAININGSHARE Hi, I have two English bulldogs, both Male. One is neutered and one is not. Well starting about a month ago the younger bulldog who is not neutered (10 months old) gets very aggressive and jealous over the other bulldog who is neutered ( 18months old). It tends to happen over Me. It’s almost territorial. I am not sure what to do, I know the first option is neutering him, but what could other options be for the mean time?

1 Answer

Most Helpful Answer

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Answered By Claudia Fioravanti

Veterinarian

Published on February 19th, 2020

Hi, it is a tricky and difficult situation. First neutering is not advisable at this stage as it could make the situation precipitate further. My advice is to seek help from a professional before the issues become established and get too difficult to tackle. The best person would be a certified behaviourist to whom your vet can refer you to. I know, I wish I could give you clear instructions on the forum and that everything could get better. The reality is you need someone on the ball, someone who goes through a lot of details and information about your pets and home and people in the household and formulate a personalised plan to tackle this issue. They are going to be there to support you along the way, and trust me it will be worthy ! Please don’t let this slip out of your hand, you can’t do everything on your own. I have witnessed several exasperated owners coming in on Sundays asking to have their pets euthanised because they could not cope with constantly having to monitor them or to keep them separated, there are options out there. It takes some work and commitment but they will pay back, in the interest of everyone involved. Thank you very much for reaching out and let us know how you get on !

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