ADDL General Information

The Animal Disease Diagnostic Laboratory (ADDL) serves the people of Indiana by diagnosing disease in livestock, poultry, companion animals and wildlife, as well as providing blood testing of animals for federally mandated disease programs such as Brucellosis or Pseudorabies.

ADDL is under joint jurisdiction of the State Board of Animal Health and the Purdue University Board of Trustees. It was physically established at Purdue University in 1945. The original ADDL building at Purdue-West Lafayette was one of the first buildings in the U.S. completely dedicated to veterinary diagnostic activities.

With the resources available to ADDL, it is capable of successfully meeting its objective. Simply stated ADDL’s objective is: “Provide accurate and prompt diagnostics service to veterinary practitioners, animal producers, companion animal owners, wildlife conservationists, animal researchers and state/federal regulatory officials.”

ADDL is a full-service diagnostic facility with state-of-the-art equipment and nationally/internationally recognized staff. The main laboratory is located at Purdue University in West Lafayette; a branch laboratory is located at the Southern Indiana Purdue Agricultural Center (SIPAC) in Dubois County.

To assure the quality of our services, the laboratories voluntarily undergo accreditation procedures every five years by the American Association of Veterinary Laboratory Diagnosticians. Eight senior staff are diplomates of the American College of Veterinary Pathologists; one is a diplomate of the American College of Poultry Veterinarians; one is a member of the American Society of Microbiologists; and one professional is certified by the American Society of Clinical Pathologists. ADDL works closely with the graduate and undergraduate programs of Purdue’s Veterinary School by offering students practical experience in the various aspects of diagnostic procedures.

Various sections of the ADDL participate in check tests conducted by the National Veterinary Service Laboratory and other quality control evaluations; they consistently rank in the upper percentile of the nation. Because of ADDL’s nationally/internationally recognized facilities and staff, Indiana’s practitioners and animal producers can be assured of quality service.