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Diagnostic Laboratory

Upcoming OADDL Closures

Sep 9, 2026

OADDL will be operating under emergency services only during select times of the year

Upcoming OADDL Closures

Nov 10, 2025

OADDL will be operating under emergency services only during select times of the year

2025 Show Swine Testing

Oct 22, 2025

Swine must be tested negative for Brucellosis and Pseudorabies on or after November 10 to be eligible to show through OYE without additional testing.

Highly Pathogenic Avian Influenza (HPAI) testing in Dairy Cattle.

Jul 30, 2024

As a member of the National Animal Health Laboratory Network (NAHLN), OADDL is certified to perform Highly Pathogenic Avian Influenza (HPAI) testing on all species.

2023 Show Swine Testing

Oct 24, 2023

Swine must be tested negative for Brucellosis and Pseudorabies on or after November 10 to be eligible to show through OYE without additional testing.

Upcoming OADDL Closures

Oct 23, 2023

OADDL will be operating under emergency services only during select times of the year

Highly Pathogenic Avian Influenza

Oct 16, 2023

Please be aware that cases of Highly Pathogenic Avian Influenza are beginning to occur in commercial and back yard flocks of poultry as the southward fall migration of wild waterfowl gets underway.

Prussic Acid Testing Available

Jul 11, 2022

Prussic acid toxicity is causing trouble for ranchers across Oklahoma. Testing is available through the Oklahoma Animal Disease Diagnostic Laboratory.

Online CE – Summer Seminar - Tools to Detect and Manage Internal Parasites in Ruminants and Horses

Jul 14, 2021

Oklahoma State University’s College of Veterinary Medicine announces a new online continuing education course for veterinary professionals.

2020 College of Vet Med Stratton Award

Dec 10, 2020

Created in 1991 by the late Dr. Louie Stratton (OSU CVM ’55), the first director of the College of Veterinary Medicine’s Veterinary Medical Teaching Hospital, the Stratton Staff Award honors a deserving staff member for his or her outstanding service or contributions to the college. Nominees must be full-time employees of the college for three or more years.