[[Image:GP empyema donkey.jpg|left|thumb|200px|<small><center>Inspissated pus in the guttural pouch (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]] | [[Image:GP empyema donkey.jpg|left|thumb|200px|<small><center>Inspissated pus in the guttural pouch (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]] |