id author title date pages extension mime words sentences flesch summary cache txt cord-329497-3jow4xbn Promkuntod, Naruepol Dynamics of avian coronavirus circulation in commercial and non-commercial birds in Asia – a review 2015-12-28 .txt text/plain 8003 432 52 It is essential to understand the latest situation regarding avian coronaviruses (ACoVs), commonly referred to as the well-known avian infectious bronchitis virus (IBV), given that new and diverse types of IBV are continually being identified worldwide, particularly ones that are isolated from commercial poultry and associated with a wide range of disease conditions. Vaccines against IBVs are generally effective, but new strains continue to emerge causing clinical diseases and production problems in vaccinated flocks, eventually having an economic impact on the global poultry industry Liu et al. In addition, the production of a new generation of vaccines, genetically related to the circulating IBV local strains, is economically beneficial for control of infectious bronchitis (IB) in global geographic regions. Isolation and genetic analysis revealed no predominant new strains of avian infectious bronchitis virus circulating in south China during ./cache/cord-329497-3jow4xbn.txt ./txt/cord-329497-3jow4xbn.txt