isolation of haemagglutinating adeno-like virus related to virus 127 from an australian poultry flock with an egg drop egg drop syndrome within australian broiler poultry is described. the syndrome was characterised by delayed onset of laying, a lower peak in egg production and a drop in egg production shortly after reaching peak production. antibody to virus 127 was detected in 102 of 106 fowl serums tested. two haemagglutinating viruses were isolated from one affected flock and one was subjected to further study. it was adenovirus-like on electron-microscopic examination and haemagglutination was not inhibi ...19816271113
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