Pet Care

Desexing for Cats

Why should I have my cat neutered?


catNeutering, or castration, offers a number of advantages, especially if performed at an early age (3-9 months). Following puberty, at approximately 8-9 months old, the male cat develops a number of often undesirable behavioural changes. He will become territorial and start to mark areas, often in the house, by spraying urine, which will by now have developed a particularly strong (and difficult to remove) odour. He will start to enlarge his territory by straying ever

farther from the house, particularly at night. It is for this reason that many cats involved in road traffic accidents are non-neutered males. By increasing his territory he will come into contact with other cats and so fight for dominance. Inflicted fight wounds can result in severe infections and abscesses. Since diseases such as FIV and feline infectious anaemia can be spread through bites it comes as no surprise to find that those cats most commonly affected by such agents are non-neutered tomcats. Finally, but not least, neutering prevents the siring of often unwanted litters.

The longer a tomcat is left to spray and fight, the less likely neutering will stop it.


Neutering, or spaying, in female cats also offers several advantages. Most obviously, it will prevent the prospect of unplanned litters. Once puberty is reached, on average at around 7 months old, during most of the year the queen will be “calling” for approximately 1 week in every 2-3 until she is mated. During calling she may display unsociable behaviour, which is often manifest as loud and persistent crying, and frequent rubbing and rolling on the floor. Such behaviour and her scent will attract pestering tomcats from miles around. This will all be eliminated by neutering. Finally, spaying will remove the risk of uterine infection, and will substantially reduce the future risk of breast cancer developing.

There is no medical reason for letting your cat have a litter before she is neutered. Psychologically this is bad for the queen, and markedly increases the risk of breast cancer later in life.


Get in touch with us

Four great Veterinary locations in Sydney Australia
  • Alexandria
  • Dee Why
  • Kingsford
  • Marrickville

Shop 1/138 Botany Rd
Alexandria NSW 2017
Phone: (02) 9698 4120
Fax: (02) 9698 4125

815 Pittwater Rd
Dee Why NSW 2099
Phone: (02) 9972 2044
Fax: (02) 9982 2307

70 Gardeners Rd
Kingsford NSW 2032
Phone: (02) 9662 6703
Fax: Fax: (02) 9662 8829

402 Illawarra Road
Marrickville NSW 2204
Phone: (02) 9558 2500
Fax: (02) 9559 3410

  • Alexandria
  • Dee Why
  • Kingsford
  • Marrickville


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