Avian influenza symptoms in unvaccinated chicken, 8 weeks old, acute case.
http://www.fieldcasestudy.com
High Pathogenicity Avian Influenza Viruses
in acute cases, lesions may include cyanosis and edema of the head, comb, wattle, edema and red discoloration of the shanks and feet due to subcutaneous ecchymotic hemorrhages.
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