Oklahoma Animal Disease Diagnostic Laboratory

Oklahoma Animal Disease Diagnostic Laboratory We provide vigilant, accessible, and accountable diagnostic service for Oklahoma veterinarians and animal owners.

The Oklahoma Animal Disease Diagnostic Laboratory was established in 1976 through the efforts of concerned and dedicated Oklahomans. Foremost among its early advocates was a Board of Advisors that continues to provide advice, counsel, and support for the laboratory's operations. Others who were instrumental in the establishment of the laboratory include farmers, ranchers, pet owners, veterinarians

, wise and understanding legislators, and far-sighted governors. The laboratory's mission is to provide vigilant, accessible, and accountable diagnostic service for Oklahoma veterinarians and animal owners. Its goals are to help reduce Oklahoma's expensive losses to animal diseases and parasites, to reduce the incidence and threat of diseases that are transmissible from animals to man, and to provide support for the teaching and research programs of the Center for Veterinary Health Sciences. The key to our success is held in the hands of the laboratory staff - a staff that is dedicated, hard-working, productive, and ready to go the extra mile that is often required to find helpful answers for hard problems. We welcome the opportunity to serve Oklahoma and Oklahomans.

04/11/2026

Now is the time to vaccinate your animals!

Vaccines can help protect horses against West Nile Virus and other diseases such as Sleeping Sickness, Tetanus and Rabies.

Now is also the perfect time to vaccinate ALL livestock & companion animals against rabies. It’s very important to make sure animals that humans are around often are protected against rabies, as protected livestock and companion animals serve as a barrier between humans and wild animals that carry rabies.

02/13/2026

The Director of OSU’s Center for Rural Veterinary Medicine, and a Beef Cattle Extension Specialist Doctor Rosslyn Biggs, joined us in the KFOR studio on Wednesday to talk about the New World …

01/26/2026

Due to inclement weather conditions, the OSU–Stillwater campus and OADDL will open at 10:00 a.m.
OADDL will follow its Inclement Weather Policy. Emergency services will be available from 8:00 a.m. to 10:00 a.m.; however, if your needs are not urgent, we encourage you to wait until 10:00 a.m. to submit Necropsy and Rabies specimens.
Non-necropsy specimens may be deposited in our drop box, mini-refrigerator or incubator in the Receiving vestibule 24/7.
Properly boxed Rabies may be dropped off at any time. Please follow instructions on signage at our Receiving entrance.
For Necropsy services, please call 405-744-6623 between 8am and 10am to schedule with the on-call employee.
Shipping delays may occur and test results could take longer than published turnaround times.

Thank you for your understanding and cooperation as we prioritize everyone’s safety.
~OADDL

01/25/2026

OSU-Stillwater Campus will be closed Monday due to inclement weather conditions.
OADDL will be following its Inclement Weather Policy and will be available for Emergency services as weather permits.
Non-necropsy specimens may be deposited in our drop box, mini-refrigerator or incubator in the Receiving vestibule 24/7.
Properly boxed Rabies may be dropped off at any time. Please follow instructions on signage at our Receiving entrance.
For Necropsy services, please call 405-744-6623 between 8am and 5pm to confirm staff availability and scheduling. Weather may prohibit intake of animals.
Shipping delays may occur and test results could take longer than published turnaround times.

Thank you for your patience and understanding.
Please stay safe.

01/23/2026

As winter weather prepares to move into Oklahoma, now is the time to make sure you and your livestock are ready!

Our State Veterinarian has some tips on things to do before & during winter weather to help protect your livestock:

01/23/2026
12/19/2025

ANIMAL DISEASE ALERT:

Please be aware that Texas and Arkansas have confirmed cases of Highly Pathogenic Avian Influenza in the past few days.

These cases, combined with the confirmation of recent positive results in several wild waterfowl in Oklahoma, means that the virus is present and is a grave danger to Oklahoma poultry.

Ensure you are protecting your flock by increasing biosecurity measures, and report cases of HPAI or suspicious poultry behavior to ODAFF at 405.522.6141

11/25/2025

🚨News To Know🚨

🔬Our Receiving Vestibule is open 24/7🔬

Need to drop off samples after hours? We’ve got you covered.

Our vestibule has three storage options to keep your submissions secure and properly maintained at any time of day.

Forgot your form? No worries — blank forms are available inside on the north wall.

Instructions ➡️ https://okla.st/4pR9Qnp

More information about testing and our diagnostic lab ➡️ https://okla.st/4ipb9Y3

Submission forms for various tests

🚨 KNOW BEFORE YOU TEST 🚨If your horse needs testing for Equine Herpesvirus (EHV), here’s what to know:🧪 How To Collect C...
11/24/2025

🚨 KNOW BEFORE YOU TEST 🚨

If your horse needs testing for Equine Herpesvirus (EHV), here’s what to know:

🧪 How To Collect Correct Samples:
• One deep nasal swab (synthetic or flocked swab with plastic handle; no gel-based swabs)
• One EDTA (purple-top) blood tube — minimum 5 mL

🧼 Biosecurity Matters:
Wear gloves, change them between horses, and disinfect hands to prevent spread.

📦 Shipping Tips:
• Keep samples cold, not frozen
• Ship overnight via UPS/FedEx for best results
• Discounted shipping labels available on the OADDL website
• Samples may be hand-delivered or placed in the after-hours drop refrigerator

More testing information ➡️ https://okla.st/4igEUKq

❗️Please submit your samples❗️
11/19/2025

❗️Please submit your samples❗️

❗️EHV OUTBREAK TESTING❗️

🔬OADDL is ready and prepared for your EHV test🔬

If your horse needs testing, please submit a deep nasal swab along with an EDTA (purple-top) blood tube.

If you have any questions, contact the lab at 405-744-6623.

Collecting the test:

❗️Deep Nasal Pharyngeal synthetic swab
❗️Avoid cotton swabs
❗️Keep the sample chilled

11/19/2025

EHV Outbreak Testing at OADDL
We have confirmed two positive cases of EHV-1 in the state from horses with neurologic signs. If your horse needs tested, please submit a deep nasal swab and an EDTA (purple top) tube of blood.
Call the lab with any questions at 405-744-6623.
Stay safe, quarantine!

Address

1950 W Farm Road
Stillwater, OK
74078

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(405) 744-6623

Alerts

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