News and Announcements

Tuesday, February 16, 2021

(New York) Selenium deficiency in equids: EDTA whole blood and serum samples from a 12-year-old Palomino horse and EDTA whole blood from two 15-year-old miniature donkeys with...


Friday, February 5, 2021

Virology Laboratory

Recently WNV SN and PRNT assays were compared on low antibody titer level samples, which led to adjustments in our testing strategy. Moving forward,...


Friday, February 5, 2021

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


Friday, February 5, 2021

Virology and Molecular Diagnostics Laboratories

The AHDC currently pools up to 10 animals for BVDPCR Testing. In the event of a test positive pool in animals at least 61...


Friday, February 5, 2021

Virology Laboratory

As of January 1, 2021 antibody titers for all SN tests moved from being reported as a serum dilution 50% endpoint value, to being reported as final...


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, 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...


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