Why Spay and Neuter

Cat Pyramid, Amigos de Animales, San Miguel de AllendeFACTS ABOUT NEUTERING CATS AND DOGS

Courtesy of Jeffrey Young, DVM

  • Did you know that the ideal age for spaying and neutering is 3 to 5 months?
  • The #1 cause of death among companion animals is euthanasia.
  • Dogs are 15 times more prolific and cats are 45 times more prolific than humans.
  • Neutered dogs live 1 to 3 years longer on average and cats live 3 to 5 years longer.
  • 80% of all fights and animals hit by cars are intact male dogs.
  • Spayed females do not have heat cycles, therefore males will not be attracted.
  • Intact female dogs over 6 years of age have a 66% chance of developing pyometra (infected uterus).
  • Intact male dogs over 6 years of age have a 60% chance of developing prostititis.
  • Risk of mammary gland tumors, ovarian and/or uterine cancer is reduced or eliminated, especially if done before the first heat cycle.


Spaying/Neutering reduces the chance of:

  • Vaginal Prolapse
  • Venereal Tumors
  • Perineal Hernias


Spaying/Neutering decreases:

  • Roaming by 90%
  • Aggression by 60% in dogs
  • Dog urine marking 50%
  • Cat urine marking 90%

Fixed animals make better companions for people.

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