Gumboro disease in poultry is caused by

Options

A. bacteria
B. virus
C. fungi
D. protozoan

Answer

**Step-by-Step Solution:**

1. **Understanding Gumboro Disease**: Gumboro disease, also known as infectious bursal disease (IBD), is a common disease affecting poultry, particularly chickens and turkeys.

2. **Identifying Symptoms**: The disease is characterized by symptoms such as immunosuppression (weakened immune response) and dehydration. These symptoms can lead to increased mortality rates in affected birds.

3. **Mortality Timeline**: Mortality typically occurs around 3 to 6 weeks after the birds are infected with the disease.

4. **Causative Agent**: Gumboro disease is caused by a virus. Specifically, it is caused by the infectious bursal disease virus (IBDV).

5. **Eliminating Incorrect Options**:
- Bacteria: Incorrect, as Gumboro disease is viral.
- Fungi: Incorrect, as fungi do not cause this disease.
- Protozoan: Incorrect, as protozoan organisms are not responsible for Gumboro disease.

6. **Conclusion**: The correct answer to the question is that Gumboro disease in poultry is caused by a virus, specifically the infectious bursal disease virus (IBDV).

**Final Answer**: Gumboro disease in poultry is caused by a virus.

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