Ira Presser

To all friend in Engromix We have been dealing with H9N2 viruses in Israel for more than a decade, the virus became endemic in many areas affecting turkeys, broilers and breeders. the H9N2 virus has changed antigenically during the last 15 years and we have been using inactivated vaccines to reduce the economic damage caused by H9N2 viruses. up to date we have been dealing with 4 different antigen ...