Detection of antibodies to bovine herpesvirus type 1 (VN), the causative agent of infectious bovine rhinotracheitis (IBR) virus, by virus neutralization. Samples must be received in the lab by 5 pm the day prior to testing, otherwise samples will be held until next scheduled testing day. With the addition of a STAT Fee, alternate testing times are possible to expedite turnaround times. Please call us at 541-737-2172 if testing a large number of animals. While advance notice is preferable, it is not required.