TY - SER AU - Babiker,M.A.A. AU - K.Noura AU - Yahia,E. TI - Management system and the prevalence of infectious bursal disease (IBD) in semi-traditional layer type poultry farms in Sudan KW - Poultry KW - Virus diseases KW - Breeding KW - Sudan KW - Diseases N1 - Includes references N2 - This study was conducted during the period 2006-2007 in 107 commercial layer poultry farms to investigate the management systems in semi-traditional poultry farms in and around Khartoum state-Sudan, Infectious bursal disease (lBD) prevalence in these farms was also studied UR - http://nile.enal.sci.eg/EALE/2009/BVMJ/si/501.pdf ER -