IGCSE Edexcel Biology (9-1) Food production (Fish farming)

Designed for the new specification IGCSE Edexcel course but can be used for other examination boards.

Covers:
a) Food production
Fish farming
5.9B understand the methods used to farm large numbers of fish to provide a source of protein, including maintaining water quality, controlling intraspecific and interspecific predation, controlling disease, removing waste products, controlling the quality and frequency of feeding, and selective breeding