| propagation of an avirulent turkey hemorrhagic enteritis virus isolate in chickens. | a series of studies were undertaken to optimize the propagation of hemorrhagic enteritis virus (hev) in specific-pathogen-free (spf) chickens. a total of 562 spf chickens were orally inoculated with an australian avirulent hev isolate of turkey origin at 9, 14, 21, or 28 days of age with 5, 6, 7, or 8 log 10 genomic copies (gc), while 102 chickens served as uninfected controls. no clinical signs were observed in infected chickens. there was an inoculum-dose-dependent increase in the relative spl ... | 2018 | 29620462 |