Equine Fecal Dysbiosis Culture

Laboratory Testing

Equine Fecal Dysbiosis Culture


Overgrowth of LAB has been associated with an increased risk of metabolic conditions, including laminitis, allergies, poor hoof growth, poor body conditioning, irritable bowel conditions, joint concerns, poor performance, and impaired digestion in the horse. The Equine Fecal Dysbiosis culture is used to evaluate levels of lactic acid bacteria (LAB), Coliforms, and Salmonella species in a specimen of feces, which can then be used as a guide in therapy options.  Levels are determined and then compared to average of normal values found in healthy population of horses.   Please read description below for full information.


Equine gastrointestinal microbiome disturbances are common in horses, contributing to potentially a host of heath conditions from poor digestion and nutrient absorption, arthritis, allergies, joint conditions, metabolic conditions, impaired performance, and laminitis. The overgrowth of lactic acid bacteria are often involved, disrupting the balance between the Firmicutes and Bacteriodetes groups of bacteria. Through a fecal culture, it is possible to determine whether if an overgrowth is present and potentially a health risk for your horse.

Determining a fecal lactic acid bacterial count can be very beneficial in determining whether a particular feed or supplement regimen is working for your horse, or if more changes are needed.  It can also be beneficial to gain a beginning baseline level on your horse prior to making a change, then monitoring if needed to assess progress.

In our laboratory, we are able to offer a diluted fecal culture to assess overall levels of lactic acid bacteria in a given fecal sample. This culture is not routinely offered in the traditional veterinary laboratory, but based on our years of research experience, we have been able to determine what levels are found in the average healthy horse, compared to one impacted by various disease conditions. In addition, we are able to culture and determine if over-growths have led to increased numbers of Coliform and Salmonella bacteria.

Each fecal culture will include a calculated Lactic Acid Bacteria (LAB) count, Coliform count, and Salmonella count. The analysis will provide your individual horse’s culture results, compared to those found in the normal or average horse. The analysis will also provide information regarding factors that contribute to bacterial overgrowth situations in the hindgut of the horse, and ways that you can control or better manage the situation.

Options on How to Set-Up Your Horse’s Culture:

  1. OPTION ONE:  Pay for the culture online by clicking “add to cart” above and choose “free shipping” upon check-out.  Upon checkout, please email Dr. Tom Schell at [email protected], to obtain fecal submission form and instructions.
  2. OPTION TWO:  Pay directly at the time of fecal sample submission.  Contact Dr. Tom Schell by email at [email protected] to request a fecal submission form and instructions.  Payment may be remitted at the time of sample submission by credit card preauthorization form included with instructions.

There is no kit required to submit a fecal specimen. Instructions for how to submit the fecal specimen are included in the email instructions you will receive from Dr. Schell.

The horse owner is responsible for the cost and shipping of the fecal specimen.  The cost for the procedure includes the culture technique, data collection, and interpretation.  

If you have any questions, please contact Dr. Schell directly by email at [email protected]



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