In 1995, when we first tested the Clostridium chauvoei antiserum that serves as the raw material for our C. chauvoei conjugate

Watch how to run an ELISA test by VMRD

Watch how to run an FA test using VMRD reagents.

A highly sensitive and specific commercial cELISA for the diagnosis of Foot and Mouth Disease

Neospora caninum is one of the leading causes of abortion and decreased reproductive efficiency in cattle. This protozoan parasite is ins

Many of our customers have considered and some have asked about published sensitivity and specificity data Bovine Leukemia Virus Antibody...

We all know that hog wash is to be eschewed, but we have recently encountered another type of wash that should be avoided as it can cause ne

EIA is still clearly a threat; however the threat is less than in the 1970s. The overall percentage of EIA positive horses among those...

Our quality control lab was troubled with a spate of FAs and IFAs that had extreme autofluorescence–or so we thought.

We have received several claims that the VMRD Clostridium septicum direct FA conjugate does not bind certain cultures of Clostridium thought

cELISAs sold by VMRD are licensed for use in defined species. For instance, the test for antibody to Anaplasma is approved for use with bovi

Malignant Catarrhal Fever Virus Infection of Domestic Cattle and Other Susceptible Ruminants 

Question: Why is the IFA positive using VMRD E. canis substrate slides while with the same sample I get a negative reaction with an E. canis

For many years VMRD customers have been requesting a software program that would support our ELISA assays

It is often useful to know the titer of antibody in a serum for comparison with sera taken earlier or later from the same animal...

Equine piroplasmosis is a tick-borne hemoparasitic disease of horses caused by Theileria equi, B. caballi or both.

The complement fixation (CF) test is sometimes used for detection of antibody to infectious agents in domestic animals.

In the last issue (VMRD Newsletter, April 2004) we saw how to use Microsoft Excel to calculate positive / negative values...

A survey of 93 dairy and five beef herds from five regions of the United States revealed that at least one cow in 90% of the herds

According to the third edition of Veterinary Virology (1999), “Canine distemper is the most important viral disease of dogs..."