, BVSC (Hons), MS, DACVIM-LA, DACVECC, The University of Queensland
Last full review/revision Sep 2013 | Content last modified Sep 2013
Extensive fibrosis of the submucosa of the small intestine has been associated with weight loss and recurrent colic in adult horses on pasture in northern Colorado. All affected horses died or were euthanized because of their deteriorating condition. The cause is unknown.
Merck and Co., Inc., Kenilworth, NJ, USA (known as MSD outside the US and Canada) is a global healthcare leader working to help the world be well. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world. The Manual was first published in 1899 as a service to the community. The legacy of this great resource continues as the Merck Manual in the US and Canada and the MSD Manual in the remainder of the world. Learn more about our commitment to Global Medical Knowledge.