1. Fowl pox
2. Sign :- warty, spreading eruptions and scabs on comb and wattles..
It caused by viruses of the family poxviridae and the genus Avipoxvirus.
There are two forms of the disease the first is spread by biting insects (especially mosquitoes) and causes lesions on the comb, wattles & beak..
3. There is no treatment for fowl pox and prevention is through vaccination of replacement birds. Where preventative vaccination is used all replacement chickens are vaccinated when the birds are 6 to10 weeks of age and one application of fowl pox vaccine results in permanent immunity.