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. 


The LADDL operates in partnership with Louisiana State University, LSU School of Veterinary Medicine, Louisiana veterinarians, and livestock and poultry producers.










News & Updates




LADDL 2014 Holiday Schedule

The lab will be closedon the following dates:

     Thanksgiving: Thursday and Friday, November 27-28, 2014

     Christmas: Wednesday and Thursday, December 24-25, 2014

     New Year’s:  Wednesday and Thursday, December 31 and January 1

The lab will be openfor business on

     Friday, Monday, Tuesday, December 26, 29, and 30, 2014.

     The lab will be accepting delivery of packages from FEDEX and UPS on DEC 26, 29, and 30, 2014.

     Necropsies will be performed at least every other day during the holiday period.

The lab will re-open: January 2, 2015-Regular Hours



IMPORTANT MEMO:  LADDL has completed the move into our new facility.  Our new address is 


Louisiana Animal Disease Diagnostic Laboratory

Louisiana State University

River Road

Room 1043

Baton Rouge, LA 70803