Fowl Pox in Chicken

 Fowl pox in Chicken and Turkeys

Fowl pox is a viral infection of Poxviridie family,

Etiology

• Large DNA virus
• It is resistant to environment.
• It contains photolyase and A-type inclusion body proteins that protect it from harsh surrounding.

Transformation

1.Direct contact

2. Abrasions of skin.

3.Virus in aerosol form.

4. Mosquitoes and other Mechanical vectors.

Clinical Findings

• In cutaneous form nodular lesions on various unfeathered skin like on head and upper neck .
• Lesions are raised enlarged and becomes yellowish and then thick dark scar.
• Nasal discharge.
• Also lesions on eyelids that cause closure of eyes .
• These lesions also proliferate to mouth , esophagus , pharynx, larynx and trachea,
• Mouth lesions interfere with feeding and respiratory tract lesions cause difficulty in respiration.

Diagnosis

1. Microscopic examination of affected tissues stained with H and E shows eosinophilic cytoplasmic inclusion bodies .
2. Negative Staining electron microscope
3. Fluorescent antibody and immuno-histo-chemical methods .

Prevention and treatment

• When disease is out then they should be vaccinated with a live embryo or cell culture propagated virus vaccine.
• Antibiotics for secondary infection.
• Steroids for inflammation
• Immunity Booster medicines.