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Introduction to polyculture of fish
Polyculture is the practice of culturing more than one species of aquatic organims in the same pond. The motivating principle is that fish production in ponds may be maximized by raising a combination of species having ...
Introduction to aquaculture
More than one-fourth of all animal protein consumed by man is aquatic in origin. Regional differences range from Asia where more than one-fourth of dietary animal protein is fish to North and South America where less than ...