2.It caused by viruses of the family poxivirdae and the genus Avipoxvirus.
It causes skin scab and lesions so we can see this virus spreading beak,lobes,ear and eyes
of hen so, this is fowl pox viral diseases.
3. By vaccination, chicken well before production.
All replacements chickens are vaccinated when the birds are 6 to 10 weeks of age and one application.
It is good cross- immunity among the different viral strains.
This disease no treatment so need vaccination.