In Angara disease, the pathological finding is

Answer: Option B

In Angara disease, the pathological finding is Hydropericardium.
Hydropericardium syndrome (HPS) also known as Angara disease and Litchi heart disease, is an emerging disease of poultry caused by fowl adenovirus.
It is one of the important emerging diseases causing huge losses to the poultry industry. It affects mainly 3- to 6-week-old broiler chickens and rarely occurs in breeding and laying flocks. Recently, an HPS case was recorded with sudden heavy mortality in a 100-day-old laying flock.