It is not uncommon for strangles infections to recur on a farm, and until recent years there have been misconceptions about how this disease is maintained in a population of horses. These days scientists understand the phenomenon and can better explain it. We now know a farm that has experienced an outbreak of strangles, caused by Streptococcus equi spp bacteria, might have an ongoing problem, not because the bacteria remain in the environment, but because they persist within the horse, specifically within the guttural pouches or sinuses. Even though a horse might appear to have recovered, he remains an avenue to transmit disease to others by harboring the bacteria within his guttural pouches. Continue reading…
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