Okay, so I have four cats in my household now. About a month ago, two started fighting. Neither were neutered, and one was the offspring of the other. I can't be bothered to type out names, so let's go by initials. The oldest male cat is called B, and the child is named W. W has just now grown into a full grown male cat, and has tried to breed with the two other female cats. B then attacked him, and every time they saw eachother, they would fight until W has secluded himself in small rooms and corners, and hisses when B comes near him. My family and I decided it was due to them not being neutered, so we had that done a couple days ago. Now, B still attacks W and W still hides. He also refuses to use the litter tray, and is generally terrified of B. Will this change, or will we have to do more?
Lots of factors can cause disputes between cats, but here are a few general suggestions that may help:
- Litter boxes. The way you described the issue, the problem doesn't sound like it's specifically a litter-box dispute, but your question implied there is only a single litter tray in your home. This may be making a bad problem even worse. The general rule is "number of cats, plus 1 more", so if at all possible, you should have 5 litter boxes in your home. Try to spread out the locations of the litter boxes and avoid areas that could cause 'W' to become cornered while using them.
- As others mentioned in comments, give the cats more time. You need to be prepared for weeks, not days, of adjustment.
- Depending on how long the drama was going on, the cats may have become conditioned to be hostile towards one another. If you can, you might want to consider separating them for a while and gradually re-introducing them under favorable conditions such as during feeding time, after lots of exercise to ensure they're both calmer. Even if you can't separate them, it is definitely a good idea to try feeding them at the same time in the same room to strengthen the association between each other's presence and "good things" (food) happening.