A study by the University of Oklahomas School of Veterinary Medicaine on 13 equid (10 horses, 2 ponies, and 1 donkey) who recieved treatment for a persimmon Phytobezoars (foodball) indicates that the location of the phytobezoar plays a role in the clincial out come.
The 13 equid were admitted to teaching hospitals accross the United States from 2001 through 2008. Each was admited for symptoms “including colic, uneplained weight loass, anorexia, or diarrhea.” Of the eight horses who presented “gastric phytobezoars (those in the stomach)” seven survived. While only one of the five presenting “enteric phytobezoars (those in the intestines) survived”
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