Aquaculture Pond Cakes Trial Report
Aquaculture Pond Cakes
Conducted product trials for Aquaculture Pond Cakes at Nellore, Telangana, India. The trial results shows - increased levels of Dissolved Oxygen, decreased levels of Ammonia, improvement of plankton cell density and control of Vibrio sp
Aquaculture Pond Cakes - Trial Report:
Name of the Products = SludgNil and OxyZen
Pond details:
Water spread area = 1.0 acre
DOC = 96 days
Stocking density = 35,000
Species under culture = Penaeus monodon
Average Body weight = 18 gm
Daily feed = 16 kg
Dosage applied = 12 cakes/acre
| I Dose | II Dose* | |||||
| Parameter | Before | After 24 hrs | After 72 hrs | Before | After 24 hrs | After 72 hrs |
| Temperature | 29.4 | 30 | 30.5 | 30 | 31 | 31 |
| pH | 7.86 | 7.9 | 7.92 | 8.04 | 8.02 | 8.08 |
| Salinity | 4.8 | 5 | 5 | 5 | 5.2 | 5.2 |
| Alkalinity | 220 | 210 | 220 | 190 | 200 | 200 |
| Hardness | 740 | 730 | 740 | 790 | 790 | 800 |
| DO 6 AM | 1.9 | 2.3 | 3 | 2.8 | 2.9 | 3.4 |
| 3 PM | 6.8 | 7.5 | 8.8 | 9 | 8.5 | 9.6 |
| Ammonia | 0.38 | 0.24 | 0.13 | 0.08 | 0 | 0 |
| Nitrites | 0.04 | 0 | 0 | 0 | 0 | 0 |
| Nitrates | 0.09 | 0 | 0 | 0 | 0 | 0 |
| H2S | 0 | 0 | 0 | 0 | 0 | 0 |
| Plankton cells/ml | 24000 | 29000 | 36000 | 34000 | 36000 | 44000 |
| Total Vibrio CFU/ml | 230 | 280 | 200 | 160 | 180 | 130 |
* II dose of cakes applied on 8th day i.e. on 104 DOC
Average body weight after 106 day = 21.6 gm (3.6 gm gain in 10 days)
2x1HP paddle wheel aerators were running between 1 AM to 8 AM daily
Average FCR as on 106th day = 1 : 1.25
Trials are conducted at : Nellore, Andhra Pradesh, India.
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