Fowl Pox :
is a viral disease characterized by formation of skin lesions .
Other form cause lesions in the mouth and upper respiratory tract.
Cause :
Fowl pox virus infects birds of both sexes, of all ages and breeds.
Spread by:
-direct contact .
-mechanical spread of virus to the injured skin.
-Mosquitoes.
Symptoms:
1-Skin form, lesions appear on the unfeathered skin of the head, neck, comb, wattles, eyelids, legs, and feet. The lesions on the head, combs, and wattles are sually art-like (nodular) in appearance, and yellow to dark brown in colour. 
2-Diphtheritic form (wet form), small white nodules are observed in upper respiratory and digestive tracts. These nodules merge together to form raised-yellow white cheesy patches. 
Diagnos :
is Wart-like lesions of the head particularly of he comb and around the eyes, or yellow cheesy esions in the larynx and adjacent trachea on ostmortem, are diagnostic of fowl pox.
Treatment :
Tettracycline is the drug of choice in pox virus infection.
In small flock , remove skin lesions and apply tr. Iodine
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