(1) Neutered males
bite people less than un-neutered.
(2) Neutered males do
not mark their territory as much as un-neutered.
(3) Neutered males
fight less when meeting other male dogs in the park or
visiting with other males.
(4) Neutered males do
not try to get out of the yard like an un-neutered one if
a female dog in heat comes around.
(5) Neutered males
that escape the yard by accident wander less and return
home more often unscathed than an un-neutered one who gets
loose.
(6) Neutered males
are often more content, thus making a more loving pet.
(7) In many
locations, the yearly license fee for a dog is less than
one that has not been altered.