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.