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Feeding Methods and Equipments for Fish Culture

Feeding Methods and Equipments for Fish Culture

Feeding methods/ Equipments

          Application/Function

                  Advantages

                     Disadvantages

Feed tray

Ration placed on a 1 x 1m or 1 x 2 m fine meshed net situated 15-20 cm below the water surface

Low cost and simple to use

Limited feed distribution; significant nutrient leaching and feed disintegration

Hand feeding

Ration broadcasted by hand for 15-30 minutes

Allows uniform feeding and observation of appetite and feed response

Costly and labour intensive

Demand feeder

Feed release mechanism triggered by fish on demand

Cost and labour  efficient; reflects on appetite and condition of fish

Should be used strictly with a maximum feeder: fish ratio to ensure uniform feeding; cannot be used for smaller than 20 g fish

Automatic feed blower

Feed automatically broadcasted by electrically powered feed blower

Wide area of distribution of at least 1:5,000 feeder: fish ratio

Does not reflect fish appetite; requires electrical power; high cost and high power consumption (1/4-1/2 hp)

Automatic feed spreader

Feed automatically broadcasted by electrically powered feed spreader

Wide area of distribution at 1:10,000-15,000 feeder: fish ratio; lower power consumption; certain models accepts crumbled feeds

Does not reflect fish appetite

 

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