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My cat killed and ate another cat. Is this normal or a sign of illness?

Updated On September 23rd, 2025

my cat is an adult now he killed his sister another adult cat and is eating her is this normal or is my cat sick

2 Answers

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on February 22nd, 2018

This is not normal. It appears that this would only happen if you do not feed your cat and he is very hungry. I suggest you get some proper cat food and feed him properly and take away the killed cat. I also suggest you take your cat to a vet for an exam to make sure he is ok.

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1Pet Parents found this answer helpful

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    Answered By Joy Fuhrman, DVM, MBA, CPA

    Veterinarian

    Published on

    I recommend having your cat examined by a veterinarian as this kind of aggression is not normal and could be due to an underlying metabolic disease such as hyperthyroidism. Also, if you cat is not vaccinated I would be concerned about rabies.

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