Description: English: Infectious bursal disease : caseous exsudate in bursa of Fabricius Walon: Boursite å virûsse des poyes : matire fourmadjrece el boûsse Fabriciusse. Date: 16 June 2011. Source: Own work. Author: Lucien Mahin.
Description: This file has no description, and may be lacking other information. Please provide a meaningful description of this file. Date: 18 April 2010 (original upload date). Source: Transferred from ar.wikipedia to Commons. Author: Trabelsiismail at Arabic Wikipedia.
Description: English: Infectious bursal disease : haemorrhages in proventriculus and gizzard Walon: Boursite å virûsse des poyes : sonk e djezî ey e stoumak. Date: 15 November 2007. Source: prôpe ovraedje. Author: Lucien Mahin.