Avian Leucosis
It is causes by viral infection and is supposed to be an
important disease. The symptoms depend upon the parts affected by this disease.
In general, death occurs due to paralysis and heart failure. There is no
effective treatment for this disease. However, it can be prevented by raising
the stock resistant to this disease. General cleanliness of poultry equipment
can check the spreading of this disease. The affected bird should be
immediately culled.