Avian Infleunza H9N2 symptom in chicken virus Infection pictures

Avian influenza virus h9n2 in laying chicken, no vaccination, (brown strain), cause severe egg drop production, low mortality, a significant drop in feed intake, less in eggshell color. picture above: pattern: drop in egg production   pictures below: Pathology & arts, H9N2 virus infection, signs in chicken     see […]