Trong Van Nguyen

I. INTRODUCTION Marek’s disease virus (MDV) and infectious laryngotracheitis virus (ILTV) are two economically important viruses of subfamily Alphaherpesvirinae. MDV is an extremely contagious virus which can cause severe oncogenic changes in viscera and tissues and high mortality in chicken while ILTV causes serious respiratory disease in chickens. Routine surveillance of MDV in poultry dus ...