Fowl Pox

24.1.2 Fowl Pox Fowl Pox is a disease of chickens that spreads slowly by mosquitoes. It is caused by a virus and affects chickens of all ages. It is seen in two forms: the dry form which causes skin sores (scabs), and the wet form which causes sores in the mouth and throat. The wet form may cause choking if the windpipe plugs.

Symptoms:

 Sores on the parts of the body without feathers (head, eyes, legs, vent) that may later form scabs and ooze pus.

 Sores on the tongue, in the mouth and trachea that may cause death from choking.

 Eyelids may be stuck together so that the affected chickens cannot see to eat or drink.

 Feet and legs may be affected and swollen.

Postmortem findings:

 Sores, especially scabs, on face or feet.

 Sores in mouth and throat area.

Diagnosis:

 Based on symptoms, post-mortem findings, and history.

Treatment:

 Separate all affected chickens from the flock.

 Give affected chickens special care:

 provide easy access to food and water.

 clean sores and apply antibiotic ointment or Gentian Violet.

 apply antibiotic ointment made for eyes to the eyes. Do not put ordinary skin ointment in or near the eyes.

Prevention / Control:

 Vitamins or antibiotics in the drinking water are helpful.

 Give Fowl Pox Vaccine according to the vaccine manufacturer’s instructions (i.e. read the vaccine insert). Usually the vaccine is given at approximately six to eight weeks of age, with a booster dose six to eight weeks later.

 Reduce mosquitoes around poultry house by draining areas where mosquitoes breed. During an outbreak, it may be necessary to use mosquito spray inside and around the poultry house.