Your cat might hiss at the new kitty to let him know that she is the dominant cat in the house.
Cat swatting at new kitten.
Your older cat may hiss and swat at the kitten when the newcomer does something unfavorable.
Major changes are made in the cat s family or environment for example moving or someone moving in stray or roaming cats in the neighborhood enter a cat s territory.
What i was talking about and i assume the op is as well is when the resident cat tries to kill the new cat.
There was lots of hissing and growling at first and i was scared to put them together as every time was a lot of swatting growling and hissing.
Your existing cat will want to establish herself as the older cat to be respected by the new little one.
If you ve adopted a shy cat or kitten to provide companionship for your resident cat a quicker integration may be best.
A new cat is introduced into the family and household.
Don t take this personally in my experience it s really not the case.
Hissing is a form of cat communication and swatting could be just playing.
Your cat will often act like they are upset at you too when you bring a new cat into the home.
Your older cat may have a period of time when it tries to establish a hierarchy with the new kitten.
Remember you know your cat s best.
It s hard to know for sure since we re not there.
If your cat swats his paw at you immediately putting a stop to his behavior is essential to prevent a bad habit from developing.
Aggression in cats can have various causes.
You can t throw cats together and expect them to fall in love.
New kitten with older cat.
If you could post a video of them that might help.
Rough play is common and natural among kittens and young cats less than two years of age.
Resist the urge to rush.
Determine what s triggering your cat to swat at you so you can prevent his undesired behavior in the future.
Use common sense and patience when integrating a new cat or cats.
This is not the same as the resident cat teaching a kitten rules proper behavior.
At first i tried to separate them after each time it got rough but then 3 days had passed and i was starting to think it wasn t going to work.
It s more likely that your cat is upset because of the new cat entering the home and they are in a mood.
Here s how we kept our first cat happy after adopting a new kitten.
This is completely normal and as long as it is just hissing and swatting do your best to not interfere.
How to introduce a shy cat companion the exception to the rule.
How to upload and add videos to your posts with kittens it really will likely be more play fighting than actual fighting.
This is especially true when a new kitten is introduced.