Edexcel IGCSE Biology · Spec 5.9B
Fish Farming
How fish farming increases food production, and the methods used to maximise the yield.
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Fish Farming
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Spec 5.9B
What you need to know
- Explain why we farm fish
- Describe how fish farms maximise yield
- Recall how disease and predators are controlled
Active recall
Quick check
Answer each question before opening the answer.
Give two ways fish farmers increase their yield.
Any two of: controlling predators and disease, selective breeding, providing good-quality food, separating fish by size to reduce competition.
Why is waste removed from fish tanks?
To maintain water quality and prevent the spread of disease.
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