Amigos de Animales San Miguel de Allende

Why spay/neuter/sterilize

Some people are uncomfortable about having their cat or dog sterilized and feel that

it is unnatural or cruel and that they should at least have one litter. There is no scientific medical truth to this.

  • Sterilized animals make better companions for people.  Unsterilized cats and dogs can reproduce freely leading to unwanted cats and dogs.
  • 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 involve intact male dogs.
  • Spayed females do not have heat cycles; therefore, males will not be attracted. 
  • The ideal age for spaying and neutering is 3 to 5 months.
  • The #1 cause of death among companion animals is euthanasia.
  • 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 prostatitis.
  • Risk of mammary gland tumors, ovarian and/or uterine cancer is reduced or eliminated with spaying, especially if done before the first heat cycle.

Spaying/Neutering also reduces the chance of:

  • Vaginal Prolapse
  • Venereal Tumors
  • Perineal Hernias

Spaying/Neutering also decreases:

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