Aflatoxicosis of poultry is caused by

Options

A. canida albicans
B. aspergillus flavus
C. aspergillus fumigatus
D. all of these

Answer

### Step-by-Step Solution:

1. **Understanding Aflatoxicosis**: Aflatoxicosis is a disease caused by the ingestion of aflatoxins, which are toxic compounds produced by certain fungi.

2. **Identifying the Fungi**: The fungi responsible for producing aflatoxins include species from the genus Aspergillus. The primary species associated with poultry aflatoxicosis are:
- **Aspergillus flavus**
- **Aspergillus parasiticus**

3. **Examining the Options**:
- **Candida albicans**: This fungus is known to cause infections in humans, particularly vaginal infections, and is not related to aflatoxicosis in poultry.
- **Aspergillus flavus**: This is one of the main fungi that produce aflatoxins and is a correct answer.
- **Aspergillus fumigatus**: While this fungus can cause diseases in humans and animals, it is not primarily associated with aflatoxicosis in poultry.
- **All of these**: This option is incorrect as not all the listed fungi cause aflatoxicosis.

4. **Conclusion**: Based on the information, the correct answer to the question "Aflatoxicosis of poultry is caused by" is **Aspergillus flavus**.