
Biological and molecular characterization of ArkGA: A novel Arkansas serotype vaccine that is highly attenuated, efficacious, and protective against homologous challenge
Keywords: آستانه چرخه; Ark99; Arkansas 99; ArkDPI; Arkansas Delmarva Poultry Industry; ArkGA; Arkansas Georgia; CAS; chorioallantoic sac; CT; cycle threshold; EID50; 50% embryo infective dose; IBV; infectious bronchitis virus; MHV; murine hepatitis virus; nsp2; nonstructural pr