Separation of sick and nonproductive birds from healthy and productive birds is known as:

Options

A. culling
B. deworming
C. dubbing
D. cannibalism

Answer

**Step-by-Step Solution:**

1. **Understanding the Context**: The question is about poultry farming, which involves the rearing and management of birds for food production.

2. **Identifying the Problem**: In a flock of birds, some may become sick or non-productive, which can affect the health of the entire flock and the quality of the food produced.

3. **Recognizing the Importance of Separation**: It is crucial to separate sick or non-productive birds from healthy and productive ones to prevent the spread of disease and maintain the overall health of the flock.

4. **Defining the Term**: The process of removing sick and non-productive birds from the healthy and productive ones is known as "culling."

5. **Conclusion**: Therefore, the correct answer to the question is "culling."

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