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Bird flu symptoms in chickens (backyard chicken 40 days), unvaccinated chickens, severe cyanosis (comb & feet).

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cyanosis on chicken feet, but this chicken is still active to move, usually in commercial chickens with conditions such lesions, the chicken will look severe depression.

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bird flu symptoms, backyard chickens, pictures, signs & cyanosis on chicken feet

severe cyanosis, haemorrhages. no vaccination in this chicken before.  Some chickens had died suddenly, two days earlier.

see video, clinical signs

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bird flu symptoms, backyard chickens, pictures, cyanosis on chicken feet

cyanosis on the shank

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Bird flu symptoms, pictures, Severe symptoms, pathology lesions on chicken feet, cyanosis, pathognomonic

Can you imagine how the pathological lesions that you will be able to observe in the visceral organ in this chicken?

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Bird flu symptoms in chickens, only mild conjunctivitis

only mild conjuctivitis

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avian flu symptoms in chickens, pictures, no significant lesions in the abdomen

See also: Avian Malaria Pictures

no significant lesions on visceral organs

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Bird flu symptoms in chickens, pictures, no significant lesion on intestines

See also : Avian Influenza Pictures in Layer chickens

no significant lesions.

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bird flu symptoms in chickens, bird flu outbreak, no significant lesions on proventriculus

cyanosis in subcutaneous, shank, feet, comb (edema and cyanosis) are typical symptoms for avian influenza H5N1 followed by high and sudden death rates.

But not always we will get symptoms like the picture above. even, in many cases Avian influenza outbreak, H5N1virus, per-acute death rarely found pathological lesions in visceral organs, avian influenza diagnosis based on gross pathology is sometimes very confusing. Need a rapid test tool for early diagnosis.

Hopefully, this can be a discussion material for veterinary students in the classroom.