TRADITIONAL FISH FARMING
It is believe
that Aquaculture has a tradition of 4000 years. It is also believe that fish
farming was originated from China. Chinese carried the information with them
and inspired the local people of southeast Asia.
Traditional Farming practices are used world-wide in three types of
environment (freshwater, brackishwater, and marine) for a great variety of
culture organisms. Some of the traditional methods of fish farming are as follows:
- Cage system
- Pond system or Irrigation ditch
- Composite fish culture
These are main methods that comes under
traditional farming
CAGE SYSTEM - Cage system which use cages that are placed in lakes, ponds and
oceans that contain the fish. This method is also widely referred to as
off-shore cultivation. Fish are kept in the cage like structures and are
“artificially fed” and harvested. The fish farming cage method has made
numerous technological advances over the years, especially with reducing
diseases and environmental concerns. However, the number one concern of the
cage method is fish escaping and being loose among the wild fish population.
POND SYSTEM OR IRRIGATION DITCH- The
second method is irrigation
ditch or pond systems for raising fish. This basic requirement for
this method is to have a ditch or a pond that holds water. This is a unique
system because at a small level, fish are artificially fed and the waste
produced from the fish is then used to fertilize farmers’ fields. On a larger
scale, mostly in ponds, the pond is self-sustaining as it grows plants and
algae for fish food.
COMPOSITE FISH CULTURE- Composite fish culture which is a type of fish farming that allows
both local fish species and imported fish species to coexist in the same pond.
The number of species depends, but it is sometimes upwards of six fish species
in a single pond. The fish species are always carefully chosen to ensure that
species can coexist and reduce competition for food.
Other than Traditional
Method , Some Mordern methods are RECIRCULATING AQUACULTURE SYSTEM and BIOFLOC
TECHNOLOGY which we already discussed in our previous post. Please visit our
previous post.
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