Objective: The aim of this study was to investigate the seroprevalence of coinfections with bovine herpes virus-1 (BHV-1). bovine viral diarrhea (BVD). bluetoungue virus (BTV) and bovine herpes virus-4 (BHV-4) in cattle with reproductive problems in Sudan. and to determine the relation of single or mixed seropositivity with abortion. https://www.roneverhart.com/HP-27xq-27-2560-x-1440-Quad-HD-2K-1ms-144Hz-HDMI-DisplayPort-AMD-FreeSync-Low-Blue-Light-Anti-Glare-Micro-Edge-LED-Ba/