This document discusses aquaculture and includes the following key points:
1. Aquaculture is the farming of fish, crustaceans, molluscs, aquatic plants, algae and other organisms. It has contributed 43% of aquatic animal food for human consumption.
2. Aquaculture production involves hatcheries, food mills, farms, and processing facilities. Common methods are intensive and extensive aquaculture.
3. Major types of aquaculture include mariculture, fish farming, and algaeculture. Common species farmed are carps, mussels, salmon, and oysters.