New cat attacking first one :(

starstarsky

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Hello, I was wondering if I could get some advice on how to get two cats to get along, mostly my new one. To give some background info:

New cat: 2 year old female, was recently pregnant, just stopped feeding kittens. Not spayed, but planning on spaying her within a month.
First cat: 2 year old male, was neutered at 6 months.

My new cat is so loving and sweet to humans, never using claws and always wanting attention. As soon as she got into the home she roamed around freely without worries

My first cat is very chill, anytime he gets attacked by the new cat he bounces back quickly, and never fights back, just runs away from the new girl.

I dont know what exactly to do, I know that it was probably too soon to let her roam around freely without making a careful introduction. If anyone has advice on how to get them to get along more specifically get her to stop attacking him and hissing every time she sees him I would appreciate it. I know the hissing is normal but when I talked to the previous owner of my new cat she mentioned that her chasing at him and jumping on him was odd. He never fights back, only hissed a few times at the beginning when she got too close.
 
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starstarsky

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Hello, I was wondering if I could get some advice on how to get two cats to get along, mostly my new one. To give some background info:

New cat: 2 year old female, was recently pregnant, just stopped feeding kittens. Not spayed, but planning on spaying her within a month.
First cat: 2 year old male, was neutered at 6 months.

My new cat is so loving and sweet to humans, never using claws and always wanting attention. As soon as she got into the home she roamed around freely without worries

My first cat is very chill, anytime he gets attacked by the new cat he bounces back quickly, and never fights back, just runs away from the new girl.

I dont know what exactly to do, I know that it was probably too soon to let her roam around freely without making a careful introduction. If anyone has advice on how to get them to get along more specifically get her to stop attacking him and hissing every time she sees him I would appreciate it. I know the hissing is normal but when I talked to the previous owner of my new cat she mentioned that her chasing at him and jumping on him was odd. He never fights back, only hissed a few times at the beginning when she got too close.
*Sorry I forgot to mention that as soon as I got her home i let her roam free, she did not immediately attack him and on the first day they only hissed at one another, but the next day and day after that she has been hissing at him and jumping at him if she hears him use the litter box or drink water or eats. Its now officially the third full day, would it be better to reintroduce her to him by not allowing them to see eachother and giving them eachothers scents to get used to
 

vampiric_conure

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*Sorry I forgot to mention that as soon as I got her home i let her roam free, she did not immediately attack him and on the first day they only hissed at one another, but the next day and day after that she has been hissing at him and jumping at him if she hears him use the litter box or drink water or eats. Its now officially the third full day, would it be better to reintroduce her to him by not allowing them to see eachother and giving them eachothers scents to get used to
Yeah, I would start from square one with your two. SLow down their introductions by a few days, too. I'm currently introducing a 4-5 month old boi to a 1 yr old resident girl AND a dog. I totally hear you about the growling! The new kitten is defensive, so I have him segregated in the bedroom. I had the door closed and fed him treats while swapping a towel my girl had been sleeping on, then swapped it after he slept on it for a few hours. Then I placed the towel back on my girl's usual sleeping spot.

I'm finally at the point where I'm just starting to feed him good stuff when my girl is around. I have a baby gate set up, so he can get a good look at everyone yet keep his distance. Unfortunately, Omen's learned that he can jump over the baby gate. **face palm** . I'm hoping in a week's time he'll be exploring the apartment with minimal fuss from the dog and Puddles, my female cat.
 

rubysmama

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I'd also suggest backing up to square one, where you keep the new cat in a room by herself, and only let her roam the rest of the home when the resident cat is in another room. Introductions usually take some time, so 3 days isn't long at all. You might even want to keep her separated until after she's been spayed, as sometimes when one cat goes to the vet, there can be non-recognition aggression when it comes home smelling like the vet, which could mean started the re-introductions a 2nd time.
How To Deal With Non-recognition Aggression In Cats | TheCatSite
 
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