One of the following is a disease of poultry

Options

A. anthrax
B. pebrine disease
C. ranikhet disease
D. foot and mouth disease

Answer

### Step-by-Step Solution:

1. **Understanding Poultry**:
- Poultry refers to domesticated birds raised for the purpose of producing meat and eggs. Common examples include chickens, ducks, geese, and turkeys.

2. **Analyzing the Options**:
- **Anthrax**: This is a bacterial disease caused by *Bacillus anthracis*, primarily affecting cattle and grazing animals, not poultry.
- **Pebrine**: This disease is caused by a protozoan called *Nosema bombycis*, which affects silkworms, not poultry.
- **Ranikhet Disease**: This is a viral infection that affects poultry, specifically chickens. It is caused by the Newcastle disease virus from the Paramyxovirus family and impacts the respiratory system and egg production.
- **Foot and Mouth Disease**: This is a viral disease caused by the Picornavirus, affecting cattle and causing blisters on their mouths and feet, not poultry.

3. **Identifying the Correct Answer**:
- Among the given options, Ranikhet disease is specifically identified as a disease of poultry.

4. **Conclusion**:
- Therefore, the correct answer to the question "One of the following is a disease of poultry" is **C. Ranikhet**.