Aquatic health
Main laboratory Pullman
Aquatic Health
Health screening and diagnostic testing for marine and freshwater fish
View aquatic tests

Aquatic Health

Hours (PST): 8 a.m. to 5 p.m. Monday-Friday
Saturdays 8 a.m. to noon deliveries only
Closed Sundays
Contact us 509-335-9696 or
Mailing address: P.O. Box 647034 Pullman, WA 99164-7034

Our lab offers a wide variety of health screening/inspection/certification testing and diagnostic tests for marine and freshwater fish, including aquaculture and ornamental species.  

Lab contacts

Featured health topics

  • Pepsin-Trypsin Digestion (PTD) for Myxobolus cerebralis testing Certification testing to screen fish for M. cerebralis before export or stocking almost always requires following methodology from the American Fisheries Society-Fish Health Section Blue Book’s USFWS/AFS-FHS Standard Procedures for Aquatic Animal Health Inspections.
  • New options for Aquatic Histopathology testing WADDL will now be offering two options for aquatic histopathology testing. Clients can choose Aquatic Histopathology, Urgent with a 7-business day turnaround time for high-priority diagnostic cases or Aquatic Histopathology, Standard with a 28-day turnaround time for routine submissions. This is reflected in our updated Aquatic Health Accession Form. This new system will allow WADDL […]
  • Testing fish for international movement Producers and veterinarians exporting aquatic animals internationally must use USDA-APHIS approved laboratories to conduct their certification testing. WADDL’s Aquatic Health Laboratory is approved by USDA-APHIS to conduct diagnostic testing in support of export health certification of aquaculture species. Why perform health certification testing for international export at WADDL? Producers across the United States use WADDL […]
  • Testing fish for interstate movement Producers moving fish between states are often required to test their fish for pathogens of concern. WADDL’s Aquatic Health Laboratory performs high-quality fish health certification testing for clients that meets the testing methods required by state fish health regulators. Why perform fish health certification testing at WADDL? Producers across the United States use WADDL for […]
  • Aquatic species: Diagnostic testing Clients not only receive high-quality test results tailored to aquatic species when they test with WADDL, they also are able to consult WADDL’s team of veterinarians and veterinary pathologists who have production, clinical, and diagnostic experience working with aquatic species.


WADDL offers opportunities through the Pacific Northwest Salmonid Veterinary Externship Program, which exposes students interested in aquacultural medicine to a variety of salmon and trout hatcheries, natural resource agencies, aquatic health professionals, and fish diagnostic laboratories within the Pacific Northwest.

Aquatic Health Inspection Testing

Turnaround time for all health inspections is 29 days based on the virology testing requirements set forth in the OIE Manual of Diagnostic Tests for Aquatic Animals and the AFS-USFWS Blue Book.

We strongly recommend two to four weeks advanced notice for scheduling purposes on all health inspection samplings.  Call 509-335-9696 or send an email to set up scheduling.