FOWL POX

Causative Agent: DNA Fowl pox virus

Transmission:
1. Dierct contact through abrasions of the skin
2. Through mosquitoes and other biting insects

Incubation Period: 3 to 14 weeks

Morbidity: 80 to 90%

Mortality: as high as 50%

Age Group affected: All age group

Signs:
A. Cutaneous form
1. Mild to moderate reduction in rate of gain
2. Loss in egg production
3. Nasal discharge
4. Complete closure of one or both eyes.

B. Wet
1. Difficulty in breathing
2. Inappetence

Gross Lesions:
A. Cutaneous form
1. Formation of papule, vesicle, pustule or crust/scab on unfeathered skin of the head, feet or legs.

B. Wet form
1. Raised yellow plaques on mucous membrannes on the sinuses, nasal cavity, conjunctivum, pharynx, larynx, trachea or esophagus.

Diagnosis:
1. Gross and microscopic lesions
2. Viral isolation

Differential Diagnosis:
1. Infectious Laryngotracheitis.
2. In Wet Pox - Vitamin A deficiency

Prevention: Vaccination (12 - 14 weeks old)

Control:
1. Isolate / cull sick birds
2. Control cannibalism with proper beak trimming.

Recommended Supportive Medication: None. Disease is self-limiting thus protection against the virus is developed.

Scabs star to dry on comb, wattle,
face and other parts of the head.

Typical of cuaneous form of fowl pox.








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