News and Announcements

Tuesday, January 26, 2021


A 340-head dairy in New England experienced eight abortions in the dry cow pen in a two-week period. This is a closed herd that has not received vaccinations in many years. A Jersey bull...


Tuesday, January 12, 2021

A farm in the northeast had a Holstein embryo transfer calf that presented with chronic diarrhea and progressive emaciation. The herd veterinarian suspected Haplotype for...


Monday, January 4, 2021


(New England) A dairy goat herd recently experienced a series of late term abortions in their doelings. These doelings produced brown vaginal discharge several days prior to abortion....


Thursday, December 17, 2020

Samples transported over the colder months risk being frozen if they are not packed and shipped properly. Even 10% neutral buffered formalin will freeze in harsh winter weather. To prevent...


Thursday, November 12, 2020


(NY) A female, 3-month-old Ayrshire calf presented in late October for a 1-week history of inappetence, low-grade fever, and mucoid diarrhea. She was drooling excessively and was...


Monday, November 9, 2020

In a recent analysis of Salmonella enterica culture results (excluding the bovine host-adapted serotype S. Dublin) at the Animal Health Diagnostic Center over the...


Thursday, November 5, 2020


Clinical Pathology Laboratory

Submissions for flow cytometry may be sent to Colorado State University, on an as-needed basis, due to COVID-19 related staffing challenges. If...


Thursday, November 5, 2020

Endocrinology Laboratory

The Endocrinology Work Group hosted at Tufts University has recently updated their equine metabolic syndrome recommendations. We consequently...


Thursday, November 5, 2020

Virology and Molecular Diagnostics Laboratories

The AHDC currently pools up to 10 animals for BVDPCR Testing. In the event of a test positive pool, the 10 animals are...


Thursday, November 5, 2020

Virology Laboratory

Beginning January 1, 2021 antibody titers for all SN tests will move from being reported as a serum dilution 50% endpoint value, to being reported as...


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