Ranikhet (Newcastle Disease):

It is highly infectious disease with 80-100% mortality rate. It is caused by virus. The symptoms are sleepiness, droopiness, loss oappetite, difficulty in breathing, green diarrhoea, coughing and sneezing and death by paralysis. No definite treatment for this disease is known. However, it can be checked by taking prophylactic measures.
One day old chicks should be vaccinated by dropping the antivaccine in the eyes and nostrils. After about two months, the chicks should be properly vaccinated and it is advisable to vaccinate the adult birds at least once a year. The suffering birds should be immediately isolated from the flock.