Correct option is D
Understanding Fowl Cholera:
✅ Statement 1: It affects all classes of fowl
True. Fowl cholera can affect chickens, turkeys, ducks, geese, and other birds.
✅ Statement 2: It is a contagious disease
True. It spreads rapidly among birds through contaminated feed, water, or equipment.
✅ Statement 3: Affected birds show respiratory symptoms
True. Clinical signs include gasping, nasal discharge, coughing, and difficulty in breathing.
❌ Statement 4: It is caused by virus
False. Fowl Cholera is caused by a bacterium,
Pasteurella multocida, not a virus.
It is a bacterial infection, and antibiotics can be effective in its control and treatment.
Conclusion:
The only incorrect (NOT true) statement is: → Statement 4: It is caused by virus