Assumptions:

1. Each female dog has 2 litters per year.
2. Each female cat has 3 litters per year.
3. Each litter consists of 3 Females and 3 Males.
4. Each female delivers only 3 litters.
5. All animals survive.

Contrary to popular belief, spaying/neutering DOES NOT harm the animal. In most cases it makes a better pet. After being spayed/neutered your pet is:

• less likely to roam the nieghborhood
• less aggressive to other animals
• no more spraying/marking of territory inside your home
• less likely to develop cancer, which affects males and females