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.

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Avian Influenza h9n2 virus cause drop egg production in chicken

picture above: pattern: drop in egg production

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Avian Influenza h9n2 in chicken, abnormal eggs

 

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Abnormal eggs, bird flu, h9n2 virus in laying chicken

pictures below: Pathology & arts, H9N2 virus infection, signs in chicken

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Avian Influenza h9n2 pathological signs in chicken

see also other our pictures: Newcastle Disease 

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abdominal fat, haemorrhages, avian influenza h9n2 virus in chicken

 

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Oviduct demage, caseous mass, pathological lesion, avian influenza h9n2 virus 

 

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