Application of EM Technology in Pond Marine Aquaculture

Application of EM Technology in Pond Marine Aquaculture

Problem

  • –  Strong smelly fish
  • –  Darker colour and not shiny
  • –  Lower demand in the market
  • –  Low market price
  • –  Taste bad and fishy

Location: PPK Johor Bahru Selatan

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EM APPLICATION

Method of application: 1) Bottom Pond Treatment
  1. The pond is clean and dry until the soil is cracked
  2. Apply Hydrated Lime (Liming) at the rate of 3000 kg/ha and let it be for 1 week
  3. Apply Bokashi fertilizer at the pond surface at the rate of 600 kg/ha and let it be for 2 weeks
  4. Spray EMAS at the pond surface at the rate of 1000 – 1500 litre/ha and let it be for 2 weeks
  5. Fill the pond with clean water. Best use bag filter when filling.
2) Pond Water Treatment
  1. Spray or pour in EMAS every day for 7 – 10 days at the rate of 0.01 – 0.015 litre/m2/day
  2. EM Mudball are thrown in the pond at 1000 pieces/ha
  3. Put immature shrimp (Vanamei) into the pond (5 – 10 pcs/m2) for leach measures
  4. Put immature seabass into the pond (2 – 5 pcs/m2)
  5. For growth apply EMAS at the rate 0.01 – 0.015 litre/m2 once every 4 days
Parameter of the pond:
Type of treatment EM Treatment
Pond Number Pond 12
Pond Size 4,914 m2
Pond Water Depth 1.3 m
Stocking Density 15,500 pcs
Salinity 20
Ph 7.06
Dissolve Oxygen (DO) 5.86
Hatchling Size 4”
FCR 1.14
% Survival rate 88%
Harvesting Size 460g
Total harvest (pcs) 13,641
Total harvest (Kg) 6,244
Total feed 7,140

EFFECTS & RESULTS

Effects and results – No more smelly fish – Clean colour, white, – Taste more flavorish – Higher demand – Increase in market size from RM8/kg to RM13/kg – The size looks fat and healthy

GALLERY