Which of the following is a viral disease in silkworm?

Options

A. Muscardine
B. Pebrine
C. Maggot disease
D. Flacherie

Answer

To determine which of the following is a viral disease in silkworms, we will analyze each option provided:

1. **Muscadine**:
- This disease is caused by a fungal pathogen known as *Boveria bassiana*. Since it is caused by a fungus, it is not a viral disease.
- **Conclusion**: Incorrect option.

2. **Pabrine**:
- Pabrine disease is caused by a protozoan parasite called *Nosema bombycis*. As this disease is caused by a protozoan, it is also not a viral disease.
- **Conclusion**: Incorrect option.

3. **Maggot disease**:
- This disease is primarily associated with fly larvae and is a disease that affects humans, not silkworms. Therefore, it is not relevant to silkworm diseases and is not viral.
- **Conclusion**: Incorrect option.

4. **Fleshy**:
- Fleshy disease is indeed a viral disease in silkworms. It is caused by a virus known as the fleshy virus. This disease can be contracted when silkworms consume infected mulberry leaves.
- **Conclusion**: Correct option.

Based on the analysis, the viral disease in silkworms is **Fleshy**.