Our mission is to apply science through patent-protected technologies to improve the development of medicines for animal diseases.With the development of the Equine Animal Model, we can test for Sarcocystis neurona and diagnose early signs of Equine Protozoal Myeloencephalitis (EPM) in animals.

Horse Submission Form

Stay up to date with our research. Check out the latest from the EPM blog!


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Research developments newly reported for Sarcocystis neurona may impact horse owners their veterinarians. A novel genotype XIII was reported by Barbosa et al. in the International Journal for Parasitology (2015). This novel genotype is a sea mammal-virulent SAG 1 strain supporting SAG 1 and 5 antigen types dominate [...]
Wed, Jun 24, 2015, Continue reading at the source
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A horse is evaluated for muscle wasting, an abnormal gait, and paralysis/paresis of limbs and or cranial nerves and given a presumptive diagnosis of equine protozoal myeloencephalitis. This horse may or may not be positive on tests that measure antibodies to S. neurona, most commonly it will test positive. [...]
Thu, Jun 11, 2015, Continue reading at the source


Laboratory Services
Affordable Testing

Affordable Testing

Pathogenes offer a 24-Hour turnaround time and the option of running multiple tests from a single sample.


Featured Lab Tests

Pathogenes specializes in clinical laboratory testing for Equine Protozoal Myeloencephalitis (EPM) in animals.


Our featured tests:

Enzyme-Linked Immunosorbent Assay (ELISA) Test

  • SAG 1, 5, 6 - A test for antibodies to the immunodominant surface antigens of Sarcocystis neurona, found in the serum from horses that have been infected or exposed to Equine Protozoal Myeloencephalitis (EPM)
  • C-Reactive Protein (CRP) - A test to identify horses with serious active inflammation from other protozoa, bacteria, or virus infections.
How to submit a sample
  • Send 1 cc of serum in a Red Top tube
  • Complete a sample submission form:

Horse Submission Form

  • Obtain a Veterinarian Signature & Gait Score.
  • Samples Pre-Paid apply for a research discount.

Pre-Paid: SAG 1, 5, 6 - $38/sample

Invoiced: SAG 1, 5, 6 - $45/sample

  • Turnaround Time: Same/Next day of sample receipt.
  • Results will be automatically emailed after completion.
How to ship a sample


Ship all samples to Pathogenes in 2-3 days to:

  • USPS    -   PO Box 970, Fairfield, FL 32634
  • FedEx  -   15471 NW 112th Ave, Reddick, FL 32686

We are avaliable Saturday and/or national holidays.

Phone: 352-591-3221

Email: sellison@pathogenes.com

How we help

It is our obligation to help you save time and money. We collaborate with leading industry partners to provide quality service and products to extend and significantly improve the well-being of animals. Test with us to be certain, we can help you accurately diagnose the signs and symptoms of EPM. Our goal is to deliver affordable testing, quality products, and reliable customer service. You can count on us to continue our research for the discovery and development of scientific techniques to create new medicine.