The Louisiana Animal Disease Diagnostic Laboratory (LADDL) is a full-service AAVLD-accredited laboratory. 
Housed in the Louisiana State University's School of Veterinary Medicine, the LADDL services the people of Louisiana and surrounding states by providing animal disease diagnostic services to agricultural and general communities in the state of Louisiana. 
We conduct necessary research for the continued enhancement of the following outreach services: research development and adaptation of diagnostic tests and protocols, research and investigation of livestock and companion animal diseases impacting the health and well being of the animals and citizens of Louisiana, and research on selective diseases impacting the economics on the animal industries of Louisiana.
The LADDL operates in partnership with Louisiana State University, LSU School of Veterinary Medicine, Louisiana veterinarians, and livestock and poultry producers. We also provide support for the teaching and research programs of the LSU SVM. 


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Louisiana Animal Disease Diagnostic Laboratory

River Road, Room 1043

Baton Rouge, LA 70803


Entrance on River Road behind the LSU School of Veterinary Medicine






We now have free FedEx shipping in Louisiana and discounted shipping for out-of-state. You will need to print the label from our web portal. Call 225-578-9777 if you have not already set your account on the portal. See pricelist for more information. The LADDL client portal address is 


Click the image above for a PDF of the AAVLD certificate.


 Click the image above for a PDF of the USDA NAHLN certificate.