Over half of all United States (US) households own a dog or cat. The v
eterinary profession can now provide health care for dogs and cats of
affluent or devoted owners that rivals the health care offered many hu
man patients. Unfortunately, as many pets receive medical and surgical
care that becomes increasingly sophisticated, other pets in the US re
ceive no veterinary care at all. Additionally, millions of pets are hu
manely killed in US animal shelters because owners are not committed t
o the continual responsibilities of pet care. Although the total dog a
nd cat population is unknown in the US, as is the total number of pets
killed, estimates suggest that between one-tenth and one-quarter of t
he entire US pet population is destroyed annually because of a surplus
dog and cat problem. Pet overpopulation is attributable to relinquish
ment and abandonment, as well as to birth rates; thus, veterinarians m
ust strive to reduce pet overpopulation by not only curbing reproducti
on, but also by decreasing the major cause of pet death in the US (i.e
. humane killing). Thus, the veterinary profession must take a promine
nt role in the campaign to prevent the deaths of healthy animals for w
hom homes cannot be found, just as it has done to prevent the deaths o
f sick animals that do have homes.