Clinical Outcomes of Large Intestine Thickening (AAEP 2011)

Researchers find large intestinal thickening could indicate multiple diseases in addition to colic.

No account yet? Register



Oftentimes one ailment in a horse can be indicative of another ailment waiting to be discovered. For example, large intestinal thickening (greater than or equal to 9 mm), is a known accurate indicator of colon torsion (twist) in surgical colic cases. But according to a team of University of California, Davis (UC Davis), researchers, a colonic torsion isn’t the only ailment that a thickened large intestine could point to.

At the 2011 American Association of Equine Practitioners convention, held Nov. 18-22 in San Antonio, Texas, Beth Biscoe, DVM, described how severe large intestinal thickening appears on ultrasound. Biscoe, a former large animal ultrasound fellow at the UC Davis William R. Pritchard Veterinary Medical Teaching Hospital (VMTH), also characterized clinical outcomes of these cases.

Biscoe and her colleagues reviewed all the records of horses presented for abdominal ultrasound at the VMTH from 2003 to 2010. Twenty-five horses with large intestinal thickening greater than or equal to 9 mm were included in the study; these ranged in age from 3 to 28 years

Create a free account with to view this content. is home to thousands of free articles about horse health care. In order to access some of our exclusive free content, you must be signed into

Start your free account today!

Already have an account?
and continue reading.


Written by:

Erica Larson, former news editor for The Horse, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. A Massachusetts native, she grew up in the saddle and has dabbled in a variety of disciplines including foxhunting, saddle seat, and mounted games. Currently, Erica competes in eventing with her OTTB, Dorado.

Related Articles

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from

Sponsored Content

Weekly Poll

sponsored by:

Has your veterinarian used SAA testing for your horse(s)?
92 votes · 92 answers

Readers’ Most Popular

Sign In

Don’t have an account? Register for a FREE account here.

Need to update your account?

You need to be logged in to fill out this form

Create a free account with!