There are two reports in the literature about this condition by Kay (2005) and Misk and Nigam (1984). Both reports are from clinics dealing with working donkeys in Egypt and Morocco respectively. Kay suggested that there was over-representation of donkeys with sialoliths but the reason for this is unknown. | There are two reports in the literature about this condition by Kay (2005) and Misk and Nigam (1984). Both reports are from clinics dealing with working donkeys in Egypt and Morocco respectively. Kay suggested that there was over-representation of donkeys with sialoliths but the reason for this is unknown. |