Q: Several dogs with unknown owners have been pooping and peeing on my front lawn. Is there some ultrasonic gadget that would keep them away? — Josh Swaney, Conyers ...

Typically, ultrasonic pest repellers are considered safe for pets since the high-frequency sounds they emit are generally beyond the range of human hearing and pose no harm to dogs and cats.

One woman in Royal Palm Beach faces multiple charges, including animal cruelty and stalking, after allegedly placing ultrasonic insect and dog-repellent ... sounds that hurt her dog.

Dog digging repellents come in various forms, including sprays, granules, and electronic devices ... Some repellents contain harmful chemicals that can be dangerous to your dog or the environment.