AdvertisementDogs are sniffing out disease in animals vital to traditions of the Blackfeet tribeUpdated June 29, 2022Aaron BoltonfacebookEmailWorking Dogs for Conservation trainer Michele Vasquez clips a vest onto Charlie, a Labrador retriever, to let him know he's working. Dogs like Charlie will help sniff out chronic wasting disease in deer and elk scat. They will also help find mink and otter droppings that can be tested for toxic substances near illegal dumpsites. (Kaiser Health News)This article was originally published on June 29, 2022.