A plugged gut on any equine is usually a death sentance. Thier gut is 30 - 40 feet long and gets pretty bad before they start to show it.A couple years ago we had a new 6 yr old thourogh bred that we got down in indiana.We didnt know it at the time but he had 40 + # of sand in his gut. Afew weeks later he was rolling and his gut flipped (from the wieght) so midnight on a saturday we loaded him and took him down to MSU vet hospital,150 miles away.On the way down bounceing around in the trailer,his gut flipped back.They did an MRI and then found the sand. It took us over a year to get him to pass it with a lot of sand clear. He survived just fine,but thats rare.