Which one is not a viral disease of animals ?

Options

A. Ranikhet
B. Foot and mouth disease
C. Distemper
D. Psittacosis

Answer

To determine which disease is not a viral disease of animals, we will analyze each option provided in the question:

1. **Raniketh Disease**:
- Raniketh disease, also known as Newcastle disease, is a viral infection that affects birds, particularly poultry. It is caused by the Newcastle disease virus (NDV), which is a paramyxovirus.
- **Conclusion**: Raniketh is a viral disease.

2. **Foot and Mouth Disease**:
- Foot and mouth disease (FMD) is a highly contagious viral disease that affects livestock, including cattle, sheep, and pigs. It is caused by the foot-and-mouth disease virus (FMDV), which belongs to the Picornaviridae family.
- **Conclusion**: Foot and mouth disease is a viral disease.

3. **Distemper**:
- Distemper is a viral disease that primarily affects dogs and some other animals. It is caused by the canine distemper virus (CDV), which is a member of the Morbillivirus genus.
- **Conclusion**: Distemper is a viral disease.

4. **Psittacosis**:
- Psittacosis, also known as parrot fever, is caused by a bacterium called Chlamydia psittaci. It primarily affects birds but can also infect humans.
- **Conclusion**: Psittacosis is not a viral disease; it is a bacterial disease.

After analyzing all the options, we conclude that the disease that is not a viral disease of animals is:

**Correct Answer: D. Psittacosis**