My two male dogs fight. Is unneutered status causing aggression?
Updated On September 23rd, 2025
Pet's info: Dog | American Pit Bull Terrier | Male | neutered | 3 years and 6 months old | 65 lbs
I have a three year old male red nose pitbul who is nurtured and a now 11 month old male brindle pitbul. They use to get along great , until one day they broke out in a fight. After that day it became almost constant so now we have to keep them separated and bought muzzles for both dogs. The older one is very particular on what dogs he likes and plays with but he is starting the fights, I'm suspecting because we have not got the younger one nurtured is this common?
3 Answers
Most Helpful Answer
Published on June 22nd, 2017
It is possible that your younger dog being unneutered may be contributing to the aggression between the two of them. I would also try to think of the situations in which they have fought to see if there are any toys or other resources that they may be protective of. Consulting with a veterinarian or behaviorist may be indicated to determine the best way to move forward with both of them.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on March 26th, 2018
They are getting aggressive because they are of the age of maturing and puberty. One is trying to establish dominance be the one in charge. The other dog is trying to fight back to stand his ground. It is best to not leave them together unsupervised so you can help control this situation. i would also recommend getting them neutered to help minimize hormones
1Pet Parents found this answer helpful
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Published on October 2nd, 2018
It's possible that the dogs could get along better now that they are older or it might be worse. You should probably start with a slow introduction and see how they behave around each other. If there are any signs of aggression at all they should be separated again. You could also look into building a dog run or fenced pen so they can be outside separately.
1Pet Parents found this answer helpful
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