Month: August 2017

Other Worm Control Practices for Horses

Recently Horsemen’s Laboratory was asked what other practices an owner can use to control worms in addition to deworming, especially for the worms that cause summer sores (Habronema). Since Habronema larvae are spread by stable flies and house flies, the best practice to help control them is to control the fly population in your horses’ environment. … Read more »

Large Strongyles (Blood worms) Migrating Strongyles

Large strongyle larvae penetrate the large intestinal wall and migrate through different abdominal organs.  There are 4 species of large strongyles, Strongyles vulgaris, Strongylus edntatus, Strongylus equinus, and Triodontophorus.  Until around 1980 Strongylus vulgaris was the most harmful worm in horses.  The larvae migrated through the abdominal organs and into the main artery that supplies… Read more »

Small Strongyles (non-migrating) Cyathostomins

Small strongyles have several names. One is scientific Cyathostomins. Another is non-migrating due to the fact unlike migrating or large strongyles that the larvae migrate through several abdominal organs. Small strongyles only burrow into the mucosal lining of the large intestine and become encysted there normally for 2-3 weeks, but may┬áremain encysted and viable for… Read more »