Search Search Search You must have JavaScript enabled to use this form. Topic Programs & Operations Keeping Pets in Homes Return to Owner Clear All ASPCA Research Index Scan a complete list of all ASPCA research currently published on ASPCApro covering veterinary, cruelty, behavior, sheltering topics, and more. Retention of Pet ID Tags and Outcomes for Lost Pets If shelters provide ID tags and put them on adopted or found animals, the likelihood immediately improves that those pets, if lost, will return home. Animal Shelter-Related Research Animal welfare professionals serving dogs, cats, and horses can use this data-backed information to enhance fostering, adoption, relocation, and other programs.