Monthly Archives: August 2014

Reproductive Leptospirosis

Pathogenic leptospires are zoonotic, spirochete bacteria.  They have a world-wide distribution, and can infect a wide variety of species.  Leptospires are most commonly maintained in the urinary tract of small mammals and are transmitted through contact with the urine.  Though exposure to leptospires is generally through small mammals, affected horses can also shed bacteria in...
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Equine Lyme Disease

Lyme disease in North America is caused by the bacteria Borrelia burgdorferi sensu stricto.  Borrelia burgdorferi survives in a small rodent and Ixodes spp. tick cycle.  Horses and many other mammals may become infected during tick feeding.  Generally, 24 to 48 hours of attachment are required to transfer B. burgdorferi from the tick to the...
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Reducing Risk from Tick-Borne Diseases

According to the Centers for Disease Control and Prevention, the numbers of human cases of Lyme disease and other tick-borne diseases (TBD) reported each year in the United States (US) have been increasing steadily, currently totaling tens of thousands annually.  The US Animal and Plant Health Inspection Service has identified Lyme disease and anaplasmosis as...
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