Is Butyrate Concentration in the Equine Gastrointestinal Tract Altered During and After Surgery for Treatment of Large Colon Obstruction?
Charlotte K. Barton | Diana M. Hassel | Kelly Anders | Tiffany L. Weir
A major cause of morbidity and mortality in horses with large colon obstructive lesions is injury to the colonic mucosal barrier from ischemic injury. Since butyrate has been shown to play a critical role in the maintenance of a healthy mucosal barrier, it may play a role in the recovery process. This study’s objective was to determine whether the differences in butyrate concentrations existed between horses with surgical large colon obstructive lesions and healthy horses both during and after surgery. Eleven horses presenting with surgical colic lesions were enrolled; colonic samples were acquired during surgery, and fecal samples were obtained 36 h later. Colonic and fecal samples were also obtained from control groups. Samples were analyzed for butyrate, acetate, and propionate concentrations. There was no significant difference in butyrate content between surgical colonic or fecal samples and controls; however, an alteration in the proportion of SCFAs in relation to one another was noted. These changes in the individual SCFA levels were not statistically significant. The study findings demonstrated that there were no significant differences in butyrate proportions when comparing samples from horses with surgical colic lesions to healthy control horses.
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