Which one of the following is a viral disease of poultry

Options

A. salmonellosis
B. thrush
C. avian flu
D. aflatoxicosis

Answer

### Step-by-Step Solution:

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

**Hint**: Remember that poultry includes various types of birds, not just chickens.

2. **Identifying the Options**:
- The options given are:
- Salmonellosis
- Thrush
- Avian Flu
- Aflatoxicosis

**Hint**: Break down each option to understand whether it is viral, bacterial, or fungal.

3. **Analyzing Salmonellosis**:
- Salmonellosis is caused by bacteria, specifically Salmonella species (e.g., Salmonella pulorum and Salmonella gallinorum). It leads to diseases like typhoid in poultry.

**Hint**: Focus on the causative agent to determine if it’s viral or not.

4. **Analyzing Thrush**:
- Thrush is a fungal infection caused by Candida albicans. It results in a white plaque-like formation in the digestive tract of birds.

**Hint**: Recall that thrush is associated with fungal infections.

5. **Analyzing Avian Flu**:
- Avian flu, also known as bird flu, is a viral disease caused by the H5N1 virus. It presents symptoms similar to human influenza, such as respiratory issues and fever.

**Hint**: Look for keywords like "viral" in the description of the disease.

6. **Analyzing Aflatoxicosis**:
- Aflatoxicosis is caused by a fungus, specifically Aspergillus flavus, which can lead to liver damage and has carcinogenic properties.

**Hint**: Aflatoxicosis is linked to fungal toxins, not viruses.

7. **Conclusion**:
- Based on the analysis, the only viral disease among the options provided is **Avian Flu**.

**Final Answer**: Avian Flu