The phrase "altered pets" refers to animals, usually cats or dogs, that have undergone a surgical procedure to prevent them from reproducing. Full definition
The stakeholder group discusses the pros and cons of changing state laws to increase fines and penalties for not altering pets. (btoellner.typepad.com)
One of the important benefits of altering your pet is to prevent unwanted pregnancies. (smchealth.org)
Many communities offer lower license fees for altered pets. (petdata.com)