In the library of Radley College in Oxfordshire, the customer-liaison officer spends afternoons asleep under her desk. The ‘officer’ in question is an 11-year-old lemon-and-white beagle called Disco.

Mabel the beagle was among the over 4,000 canines removed from a now-shuttered Envigo breeding facility in July 2022 Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since ...