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: Prior to submitting samples for bovine HPAI testing, […]

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 […]