Introducing cats - anxious newcomer cat - red flags??

anichanaleah

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Will my cats come to tolerate (even, Gd willing, like) each other?

How can I tell when the situation has become hopeless?

(What is a normal amount of chasing and wrestling among cats in the same house?)

My spouse and I adopted 5 days ago a cat from a shelter/foster home. We adopted her as a companion for our current cat, a housecat who spends a lot of time by herself while we are at work. The cat we adopted is very sweet and seems to be a good match for our current cat in terms of age, sex, size and temperament. When we brought her home we gave her her own room with toys, food, litter box and a big window. 

The new cat was understandably anxious around our current cat, and so we kept them separated and restricted their lines of sight to one another for the first few days. We then allowed them to see each other through the crack in a door, and then progressed to them playing with a toy in plain view of each other. If one of the cats would become anxious we would pet them to reassure them, and would do our best to reward good behavior as opposed to admonishing bad. 

Over the past few days it's gotten to the point where the new cat is increasingly (and vocally) unhappy about being penned up in her room all day, and she often will slip out into the room where the veteran cat is. I am able to keep them both calm around each other to the point of them even ignoring each other in each other's presence, but eventually one will start to chase the other and then the hissing and growling by the new cat also resumes. 

This usually happens if there is no person in the room to monitor them.

The last thing we want to do is re-home our new cat back to the shelter, but we are worried that they will never be able to be around each other without eventually becoming too anxious and then aggressive.

Advice is much appreciated. Thank you!
 

calicosrspecial

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Hello.

Cat introductions take time. Done properly over time the process does work. But we need to take it slow and systematically.

It is always hard for the resident cat to have an "intruder" in their territory. So it creates a lot of insecurity. So we have to take it slow.

We want to associate the cats with good things (food) and to maximize the positive encounters and minimize the negative encounters.

So we really want to keep them separate for now. And watch how they react to each other. So feed on each side of a closed door for now. Start a little away and slowly move the food closer. Watch how they react, if they don't eat move it back to where they will. During this step up play with each of them in their territory. After play feed treats. If one cat gets concerned by the door distract with play. Anything to limit any negative encounter and make any encounter (for now smell) as positive as possible.

Cat introductions can take a month up to a year. I am happy to help you through it. We are way too early in the process to know how it will go but I will say that the process works the vast majority of the time. I will be with you every step of the way to increase the odds you will have success.

Please feel free to ask anything anytime. I am happy to help. Don't worry we should be able to make this work.

Here are some links to help with the process:

http://www.thecatsite.com/a/the-ultimate-yet-simplified-guide-to-introducing-cats

http://www.catbehaviorassociates.com/a-simple-little-trick-to-use-during-new-cat-introductions/

http://www.aspca.org/pet-care/virtual-pet-behaviorist/cat-behavior/introducing-your-cat-new-cat

http://jacksongalaxy.com/2010/10/01/cat-to-cat-introductions/
 
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