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.


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.


Please take note of the following holiday hours:

November 23, Thanksgiving – CLOSED

November 24 – CLOSED


Friday December 22 – 8am -12pm

Monday December 25, Christmas - CLOSED

Tuesday December 26 - 8am -12pm

Wednesday December 27 - 8am -12pm

Thursday December 28 - 8am -12pm

Friday December 29 - 8am -12pm

Monday January 1 – CLOSED