Heliculture System Of Production

EXTENSIVE SYSTEM
ADVANTAGES

• The condition of the environment closely resembles the natural habit of snails compared to other systems.

• Low labour and low general management input i.e. inexpensive to maintain
• The farmer needs not purchase feed because it is already available in the snailery.
• There is no restriction on the movement of the snails.

DISADVANTAGES OF EXTENSIVE SYSTEM

• Little control over the performance of snails 
• It requires a lot of land compared to others of production.

• Record keeping is difficult.
• Poor disease management.
• The snails are exposed to predators’ attacked (e.g. soldier ants)
• Mortality rate could be higher than other systems.
• Semi-Intensive System
• The system is like the extensive system except that the snails are supplied
• with feeds besides what is grown in the snailery
  

 INTENSIVE SYSTEM

In the intensive System, the Snails are only fed with feeds brought to the snailery.

ADVANTAGES

• It is good for backyard or commercials farming.
• Record on performance of the snails can be kept.
• There is proper control over disease and predators
• The management practices are simple.
• It can be practiced both in urban and rural area.
• The growth rate could be influenced by introducing formulated ration.
• The mortality rate is low.

DISADVANTAGES
The snails can be stolen at once because the confinement which is very difficult in extensive system because the snails are scattered


INTENSIVE SYSTEM

• BASKET
• TIERS OF TYRE.
• USED DRUM
• USED TANK.
• LOW FENCED PEN.
• HIGH FENCED PEN.

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