Michigan EPM Studies--Exposure, Testing, Control

Research from Michigan State University (MSU) estimates that 60% of horses in the state have been exposed to Sarcocystis neurona, the parasite that causes equine protozoal myeloencephalitis (EPM). Analysis showed that seroprevalence (presence of EPM antibodies in horses) was lowest in the colder parts of the state that had the fewest opossums. Increasing age and exposure to pasture wer

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