Why is my cat in heat aggressive to a new male? Will they mate?

Question

My cat is in heat but showing aggression towards the the male, he is new to her as he has just recently been introduced to our household (only a few days ago) she is still hissing at him every now and again although they do get close at times. Is she likely to mate with him? He is not here for the sole purpose of mating but I’m curious as to whether it will happen? She has been in heat for 5 days already (usually 7 day cycle) as she is being aggressive, does this mean she doesn’t like him?

Penelope Graben, DVM · Accepted Answer

Hello, I would agree that her aggression means she probably does not like him or is coming out of heat and not interested in his advances. Keeping them separated when they cannot be monitored may be best to keep them from fighting. You could reintroduce her at the beginning of her next heat cycle if you are hoping for her to be receptive to mating. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach.

Why is my cat in heat aggressive to a new male? Will they mate?

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