February 19, 2012

5.9 Fish Farming

5.9 explain the methods which are used to farm large numbers of fish to provide a source of protein, including maintenance of water quality, control of intraspecific and interspecific predation, control of disease, removal of waste products, quality and frequency of feeding and the use of selective breeding.

Fish Farming is attractive to farmers because fish are low in fat; high in protein and highly efficient at transferring nutrient into fish matter.
Benefits to fish farming
  • Water quality can be controlled
  • Predators can be removed
  • Pests can be removed
  • Disease can be controlled

Controlling these factors increases the yield of fish.

However the high density of fish in fish farms makes the transmission of disease and number of pesticides greater so farmers use antibiotics and pesticides to control this but as we know, this can cause harm to humans and the environment.

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