LADDL will be closed on February 21 for the Mardi Gras holiday
Using diagnostics to protect animals and people
The Louisiana Animal Disease Diagnostic Lab is a full-service AAVLD-accredited laboratory. Housed in the LSU School of Veterinary Medicine, LADDL services the people of Louisiana and surrounding states by providing animal disease diagnostic services to agricultural and general communities. LADDL enhances research development and adaptation of diagnostic tests and protocols, researches and investigates livestock and companion animal diseases impacting the health and wellbeing of the animals and citizens of Louisiana, and researches selective diseases impacting the economics on the animal industries of Louisiana.
LADDL operates in partnership with Louisiana State University, the LSU School of Veterinary Medicine, Louisiana veterinarians, and livestock and poultry producers. LADDL also provides support for the teaching and research programs of LSU Vet Med.
River Road, Room 1043
Baton Rouge, LA 70803
Sample Receiving and Accessions: 225-578-9778
After hours emergency: 859-806-4775 or 225-892-6461
LADDL is located in Baton Rouge, Louisiana, on River Road adjacent to the LSU School of Veterinary Medicine.
The entrance is on River Road near Skip Bertman Drive.
Hours of Operation
Regular Hours of Operation
8:00 AM - 5:00 PM
Monday - Friday
LADDL is closed on Tuesday, February 21 for the Mardi Gras holiday.
includes essential but limited services within the bacteriology laboratory.
are available on Saturdays provided the animal arrives before 10:00 AM on Saturday.
Courier and Free Fed Ex Shipping In Louisiana
We offer free FedEx shipping in Louisiana and discounted shipping for out-of-state.
You will need to print the label from LADDL client portal address.
Call 225-578-9777 if you have not already set your account on the portal.
Policies and Guidelines
News & Updates
The Louisiana Animal Disease Diagnostic Laboratory (LADDL) is revising testing and service fees to cover the increased cost of reagents, supplies, investment in advanced technologies to better serve our clients, and laboratory instrument maintenance agreements, as well as higher personnel costs, and software. The new fees were calculated based on the actual cost to perform the laboratory tests and services offered by LADDL. These fee revisions will take effect on July 06, 2022. To view the new fee schedules and additional information regarding changes to existing laboratory forms or processes, please use the following link: www.laddl.org.
Please be assured that LADDL will continue to provide the highest quality and outstanding diagnostic testing services to safeguard animal and public health in the State of Louisiana while making efficient use of our limited resources and funding. If you have any questions or concerns, please do not hesitate to contact me at 225-578-9775 or our business office at 225-578-9777.
Thank you for your continued partnership and support.
Director and Professor of Virology