Health Topics

FAQ: Clinically Normal Lactating Cows for Interstate Movement Testing Cattle for highly pathogenic avian influenza (HPAI)

Per Federal Order, negative Influenza A virus PCR results from a NAHLN laboratory is required 7 days prior to movement. WADDL is a NAHLN laboratory and will ensure result turnaround time within 3 days of the lab receiving the samples. How to submit for bovine HPAI testing: Call WADDL at 509-335-9696, to notify them that […]

Detection of Highly Pathogenic Avian Influenza (HPAI) in dairy cows

A disease event is currently under investigation involving the detection of Highly Pathogenic Avian Influenza (HPAI) in dairy cows presenting with decreased feed intake and significantly reduced milk production. WADDL as a USDA National Animal Health Laboratory Network Tier 1 laboratory is actively involved in the response to this incident. To date, confirmed cases are […]

Antimicrobial Susceptibility Testing

The primary goal of antimicrobial susceptibility testing (AST) in a clinical setting is to assist veterinarians in optimal antimicrobial selection for their case. This may be done as part of individual patient management or applied to a population, like a herd or flock. Outside of individual case management, AST is used for antibiogram development to […]

Piscirickettsia salmonis tissue collection

This video explains how to collect samples for Piscirickettsia salmonis tissue imprint examination Collection Materials: Glass microscope slides Clean forceps Gauze Alcohol and flame Slide storage container Procedure: Use clean forceps to gently dab a pea-sized fresh kidney sample onto a sterile gauze pad to remove excess blood/fluid; if there is too much blood/fluid on […]

Piscirickettsia salmonis, “Piscirickettsiosis”

What is it? Piscirickettsia salmonis is a bacterium that causes piscirickettsiosis. This disease can cause high mortality in salmon that live in a marine environment. It is a pathogen of concern for many international fish health regulatory authorities, and it is common to test fish for this bacterium as part of export certification testing. P. […]

Aeromonas salmonicida, “Furunculosis”

What is it? Aeromonas salmonicida is a bacterium that causes the disease commonly referred to as “furunculosis” in fish. This disease can cause high mortality, particularly in salmon/trout and koi. It is a pathogen of concern for many state and international fish health regulatory authorities, and it is common to test fish for this bacterium […]

Aeromonas salmonicida, “Furunculosis”

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 […]

Aquatics lab