Two young male cats keep chasing and stalking my 15 year old female

I do not know what to do. I have 3 male cats, one is 10 months and the other two are about 1 1/2 years old and a senior female. The two older males keep chasing and jumping on (knocking over) my 15 year old female. She screams like bloody murder and they just keep chasing her & tormenting her. Of course she runs and hisses when she sees them. Which makes them want to chase her more. I have told them no, removed them from her space and I have even tried time outs in the bathroom. The one male is just relentless. I have thought about putting a dog/cat door on one of my bedroom doors, that is activated by a collar, to give her a safe zone. Any ideas to get them to leave her alone? I feel so bad for her, she has arthritis and does not have good balance.

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Hi
Sadly this is normal behavior for young cats. As you have such a mix of ages in your home it is not surprising that there is an incomparability. I take it from your question that you don't let them outside, if this is the case then they will have a lot of energy to burn off and this is one of the problems.

I assume all the cats are neutered / spayed. If not then having this done will help to calm them a little.

i think your idea of a collar activated space for your older cat is a great idea. You can't stop younger cats wanting to play and understandably your older cat will just want to have a quiet life.

best wishes Kate

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