SEVILLE, Ohio — There are jumping dogs who can leap through a hoop. Diving dogs who will soar off a dock after a favorite toy. Those who fetch with ease, and those who know a long list of tricks.

Penn Vet Working Dog Center was founded in 2012 and serves as a national research and development center for detection dogs. “The center was founded after Dr. Cindy Otto served in 9-11 as a ...