Two female rabbits aggressive after neutering

[PurplePetalPip]

Just after some experiences please. Two sister rabbits previously got on fine and were housed together but since being neutered they have fought quite violently. They have been kept separate since the neutering 3 weeks ago, but next to each other so they could smell each other etc. All attempts since to reintroduce gradually have resulted in fighting.

Has anyone had this and successfully reintroduced them and has any advice?

It's not uncommon for rabbits to become aggressive toward each other after being neutered. This is because the hormones that were driving their behavior are now reduced, and they are trying to establish a new hierarchy.
To reintroduce your rabbits, you will need to start slowly and gradually. Here are some steps you can take:
Separate them completely for a few days, so they can't see or smell each other.
After a few days, switch their living spaces so they can smell each other's scent.
Put them in a neutral space, one they haven't been in before, and supervise their interactions. You could put them in a playpen or an enclosed area of the house. Make sure there are plenty of hiding places and things to distract them.
If they get along in the neutral space, you can start letting them spend short periods of time together in their regular living area. Supervise them during these interactions and be prepared to separate them if necessary.
Gradually increase the amount of time they spend together, and continue to supervise them. If they start to fight, separate them and go back a step in the process.
It's important to be patient and take things slowly. It can take weeks or even months for rabbits to get used to each other after a change in their living situation. If you're having trouble, consider consulting with a veterinarian or a rabbit behaviorist for additional advice.