A comparison of Pond 1 and pond 2

Pond 1: old aeration system by using paddle wheel and HDPE geomembrane liner


Pond 2: new aeration system by using air blower aerator, self sinking pipe, microporous nano diffuser tube and HDPE geomembrane liner.






Pond 1:

Pond Size : 6,600m2
Date Harvest : 4/12/2018
Day Of Culture : 180 day
Stocking : 160,000 pcs
Total Harvest : 6,660.25 kgs
FCR : 1.99 kg

Pond 2:

Pond Size : 6,600m2
Date Harvest : 4/12/2018
Day Of Culture : 120 day
Stocking : 1000,000 pcs
Total Harvest : 46,778.81 kgs
FCR : 1.69 kg

By comparison, we can see that air blower aeration system can get more stocking and better harvest with lower FCR, it's also called extensive aquaculture.