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 Clients:

Due to the challenges presented by the COVID-19 pandemic, ADL is currently operating with minimal staffing during our regular business hours. Please be advised that turn-around-time for cases submitted to the lab may be delayed due to modified staffing. We appreciate your patience and understanding during this time. We continue to remain open as an essential service for Pennsylvania agriculture. Please visit for updates, or call 814-863-0837.

Fee changes at the Animal Diagnostic Lab

There has been a change in how some cases are being charged at the Animal Diagnostic Lab.  Please see the following letter to see what fees have been changed.  

2020 Fee Change Letter


Emerging Animal Infectious Diseases Conference

The College of Agricultural Sciences, in conjunction with Penn State’s Center for Security Research and Education, will be presenting a Emerging Animal Infectious Diseases Conference in October 5-7, 2020.

For more information and to register go to

See this webpage for more information.

If you need more information or have any questions, please contact Dr Suresh Kuchipudi, Associate Director, Penn State ADL

Disposal fee change

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.