“…It has been reported in human beings and many species of domestic mammals such as piglets, lambs, calves, pups and kittens (van der Gaag & Tibboel, 1980;Kilic & Sarierler, 2004;Radostitis et al, 2007;Azizi et al, 2010). It is likely to involve any intestinal segment from the duodenum to the anus undergo atresia (Kilic & Sarierler, 2004;Azizi et al, 2010). In animals, atresia of the small intestine is less common than that of the large intestine (Brown et al, 2007;Radostitis et al, 2007).…”