Potomac Horse Fever

Wednesday, October 11, 2017

(NY) Potomac Horse Fever (PHF) was confirmed with both a positive Ehrlichia risticii PCR on EDTA whole blood and PHF IFA result of a positive titer of 1600 in a horse from Cayuga county. The 12 yr old mare had a clinical history of 12 hrs of lethargy, anorexia, and decreased fecal production with abnormal PE findings of a dull attitude, a temperature of 102.6 °F, heart rate of 52bpm, absence of gut sounds and presence of dry fecal balls in rectum.