Strongyle Control In Horses

Worms Eggs

Common Horse Health Concerns

Classified aslarge or small

Live indigestive tractof host animal

Containsmorula (cell

cluster)

Passed infeces of host

animal

Central Garden and Pet. (2008). Common Horse Health Problems. Retrieved from http://www.petuniversity.com/horses/common-horse-health-problems.htm

Photo by Steve Bowbric (2005). Photo by Landlearn NSW (2009).

Photo by Chris Richards (2005).

Traditionally

All horses treated with intervals of:-Moxidectin to kill larvae-Ivermectin to kill adults

Traditionalmethods of treatingall the horses at the

same time, havelead to a decrease

in large strongylesbut also

anthelminticresistance in small

strongyles

67%

Anthelminticdrugs with

reportedresistence

Wood, C. (2014). Strongyles in Horses. Retrieved from http://www.extension.org/pages/10280/strongyles-in-horses#.VQAIzPnF-h1

Matthews, J.B. (2013). The future of helminth control in horses. Equine Veterinary Journal. 46 (1): p10-11.

Photo by Susan Drury (2012).

Targeted Approach

Selecting to treatonly animals thatmeet specificcriteria. In this case,treating only horseswith moderate tohigh FEC

Fecal Egg Count (FEC)

Diagnostic methodof counting parasiteeggs in the feces toassess degree ofinfestation andidentify whichanimals to treat.

Diagnostic testingsuch as Fecal EggCounting areimportant in anumber of ways:

-identify individualsto treat

-minimize drug use-avoid anthelminticresistance

-avoid anthelminticresistance

-monitor howeffective thetreatment is

Matthews, J.B. (2013). The future of helminth control in horses. Equine Veterinary Journal. 46 (1): p10-11.