For female dogs and cats the likelihood of getting breast cancer goes up significantly after each heat cycle. If they are spayed before the first cycle, it reduces that chance exponentially.
Neutering is more of an emotional and behavioral factor for dogs and cats. Unfixed male dogs and cats tend to be more aggressive and have a higher tendency to roam in search of a mate.
The June 27 clinic is fully booked but the Clinton Humane Society is taking appointments for July 19.
The humane society is encouraging pet owners to take advantage of the low-cost clinic and to advocate for the prevention of animal overpopulation.