Question no (1)
Fowl pox disease (It is a viral disease)
Question no (2)
Because the scab on the comb and wattles is the sign of this disease
Chickens inappetance stage
Question no (3)
Basically there is no treatment for this fowlfox disease. but we can treat them through the vaccinated. If we vaccinated the poultry, it get some period of time for cure( 2or 3 weeks/ 1 month). Use the 2 - prong needle application supplied with the vaccine. If we want permanent protection? We must to be vaccinated after 8 - 10 weeks of age with a chick embryo origin ( CEO ) vaccine.
Also if this poultry infected by secondary bacteria, we should broad spectrum antibiotics may help to reduce morbidity and mortalities.
And we can give them to sanitize drinking water.Also, add trays scabs with a dilute Iodine solution for reduce the infection.