Horse Vibes March April 2021

Page 38

Enteroliths are at their most dangerous when they become large enough to block the colon, or have sharp edges that could potentially cut the bowel and cause peritonitis.

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VET VIBES

The problem with enteroliths

E

nteroliths, also known as fecaliths or phytobezoars, are stones composed of

magnesium ammonium phosphate hexahydrate, or struvite. They mostly form in the right dorsal colon in horses and can subsequently cause partial or complete blockage of the right dorsal, transverse, or descending colon. Many cases of enteroliths were reported in the 19th century, but the number greatly decreased in the early 20th century. However, in recent years cases

Enteroliths are mineral masses that can form in a horse’s colon. Veterinarian DOUG ENGLISH explains the how, the why, and what you need to know.

in certain parts of the United States, California for example, have greatly increased. Although several reasons for enterolith formation have been suggested,


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