Prawns Farming Over the years Aquaculture in India has evolved from a subsistence and backyard ac vity to that of a technology driven commercial and profitable venture. India is now second in world aquaculture produc on next to China. The es mated brackish water area suitable for undertaking shrimp culµva on in India is around 11.91 lacks hectors land has spread over 10 states and union territories viz. West Andhra Pradesh, Maharashtra, Pondicherry, Tamil Nadu, Karnataka, Gujarat, Bengal, Orissa, Kerala, Goa.
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Bio-floc system was developed to improve the environmental control over the aqua c animal produc on. In aquaculture, the strong influen al factors are the feed cost (accoun ng to 60% of the total produc on cost) and most limi ng factor is the water/land availability. High Stocking Density and rearing of Aqua c Animals requires wastewater treatment. Bio-floc system is a wastewater treatment which has gained vital importance as an approach in aquaculture.
The principle of this technique is the genera on of nitrogen cycle by maintaining higher C: N ra o through s mula ng heterotrophic microbial growth, which assimilates the nitrogenous waste that can be exploited by the cultured spices as a feed.
Sr. No | Item | Units | Total cost | Total cost |
A | Capital Cost | |||
1 | Cost of Tank (100000 Litre * Rs. 3 Per Litre) | --- | 3,00,000/- | 1,50,000/- |
2 | Power generator + room for genset with all required accessories like cables, switches, etc | --- | As available | As available |
3 | Motors, pumps, valves and pipes | --- | As Available | As Available |
4 | Lab equipments (pH meter, DO meter, Conductivity meter, utilities, etc) | --- | 10,000/- | 10,000/- |
5 | Net materials (drag net, scoop net, plankton net, hapas, etc) | 1 | 10,000/- | 10,000/- |
6 | Aerator / Root Blower | 1 | 25,000/- | 20,000/- |
Capital Cost (A) | - | 345000/- | 1,90,000k | |
B | Variable Cost | |||
1 | Cost of Shrimp Seeds (0.70 Paisa*1 Lakh Seeds ) | --- | 70,000/- | 35,000/- |
2 | Fish Feed ( 2000Icg * Rs.70/- per kg) | - | 1,40,000/- | 70,000/- |
3 | Probiotics | --- | 45000/- | 25,000/- |
Total Variable Cost(B) | 255000/- | 1,30,000/- | ||
(A + B) | 600000/- | 3,20,000/- | ||
C | Sale (2400kg* Rs. 380/Kg) | --- | 912000/- | 4,56,000/- |
D | Profit | --- | 312000/- | 1,36,000/- |
Fixed Cost | Variable Cost | Sale | Profit | |
1. Crop | 345000/- | 255000/- | 912000/- | 312000/- |
2nd Crop | --- | 255000/- | 912000/- | 657000/- |
3rd Crop | --- | 255000/- | 912000/-- | 657000/- |
Fixed Cost | Variable Cost | Sale | Profit | |
1. Crop | 1,90,000/- | 1,36,000/- | 4,56,000/- | 1,36,000/- |
2nd Crop | --- | 1,36,000/- | 4,56,000/- | 3,20,000/- |
3rd Crop | --- | 1,36,000/- | 4,56,000/- | 3,20,000/- |