?url_ver=Z39.88-2004&rft_id=10.1046%2Fj.1344-3941.2003.00111.x&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Malau-Aduli%2C+AEO&rft.aulast=Malau-Aduli&rft.aufirst=AEO&rft.issue=3&rft.volume=74&rft.date=29+April+2003&rft.issn=1344-3941&rft.atitle=Factors+affecting+egg+production+and+layer+bird+mortality+in+private+poultry+farms+in+the+sub-humid+zone+of+Nigeria&rft.title=Animal+Science+Journal&rft.pages=239-242&rft.genre=article