For years, cattle producers have acted as unofficial researchers and detectives. As caregivers to domesticated animals, cattle producers and veterinarians sometimes need more pieces of information to solve a puzzle. This publication discusses the Bronson Animal Disease Diagnostic Laboratory (BADDL), which exists to help with more difficult diagnoses. Written by Lauren Butler, Christa Kirby, Bridget Stice, Todd Thrift, Lindsey Wiggins, and João Bittar, and published by the Veterinary Medicine—Department of Large Animal Clinical Sciences, UF/IFAS Extension, October 2023.