Animal Diagnostic Laboratory

Safeguarding Animal and Human Health and Facilitating Animal Agriculture

  • Full-service animal health diagnostic laboratory and research center
  • Pennsylvania Animal Diagnostic Laboratory System (PADLS) member
  • AAVLD accredited
  • Certified NAHLN member
  • Dog and cat necropsy service now available

If you are experiencing an animal health emergency, please contact us by phone. Do not use email for emergencies. For emergency assistance outside of laboratory working hours, please call the PA Department of Agriculture hotline at 717-772-2852.


Attention:  Anyone accessing the Animal Diagnostic Lab on a football Weekend.

Traffic patterns have changed for the football games and the ADL may only be accessible from Fox Hollow Road.  To be safe, on weekends when there is a football game, please use the Tofftrees exit off of R I99/322.  For more information please see this website:



The Animal Diagnostic Lab will be closed Monday September 2nd in observance of the Labor Day holiday.  After hour drop offs are accepted at the rear of the building.  Please follow all posted signs and directions.


Beginning August 1, 2019, there will be some changes to the way that disposal fees will be charged for necropsy cases. 


PADLS disposal fees for all carcasses, including avian necropsy cases, will be implemented as follows:

$10 for less than 25 pounds

$21 for 26 to 250 pounds

$42 for greater than 250 pounds

Disposal fees are also subject to separate site specific fees or additional contract charges.  Please call the lab you are submitting to with any specific questions.


Rabies Update

Changes have occurred pertaining to the policy of shipping rabies samples to the Department of Health.  Please see the Rabies page before bringing any samples for rabies testing to the Animal Diagnostic Lab or shipping any samples to the Department of Health.