COINFECTIONS OF SUDANESE DAIRY CATTLE WITH BOVINE HERPES VIRUS 1, BOVINE VIRAL DIARRHEA VIRUS, BLUETONGUE VIRUS AND BOVINE HERPES VIRUS 4 AND THEIR RELATION TO REPRODUCTIVE DISORDERS

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, infertility an

Computers have been used for Coil Covers language teaching since the 1960s (Warschauer & Healey, 1998), and several recent studies suggest that there is still a strong need to experiment with technology and digital tools in both education and language learning (Godwin-Jones, 2012; Goertler, 2009; Levy, 2009; Reinhardt & Ryu, 2013; Zhao, 200

Antibiotic resistance is recognised as a global threat to human health by national healthcare agencies, governments and medical societies, as well as the World Health Organization.Increasing resistance to available antimicrobial agents is of concern for bacterial, fungal, viral and parasitic pathogens.One of the greatest concerns is the continuing