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COST/ECONOMIC BENEFIT BY APPLICATION OF Fish Grower (HATCHERY MODEL) (Figures based on the study made at Kadiam Farm, Andhra Pradesh)

IMC Variety Female Brooder(kg.) Dosage (ml) Eggs Released (in lakhs) % of Fertilization No. of Spawn Produced (in lakhs) Fecundity Realized Remarks

MRIGAL

 

Control

 

 

Experiment

 

 

 

Difference

 

 

 

18.100

 

 

17.300

 

 

 

0.800

 

 

9.05 (0.5x18.1)

 

7.785 (.45x17.3)

 

 

 

1.265

 

 

 

20.00

 

 

30.00

 

 

 

10.00*
*proportionate to control 19.116 lack
Net extra production=10.8
lack

 

 

75%

 

 

90%

 

 

 

15%

 

 

 

15.00

 

 

23.00

 

 

 

8.00*

*proportionate to control 14.337lack.
Net extra production = 8.663 lack

Assuming spawn rate @ Rs. 400/- per lack  = Benefit Rs.3,465.20

 

In Lack

 

1.10

 

1.73

 

 

0.63

Total Benefit per operation = Rs.3,465/-

1)      In normal condition assuming 60 operation per season, Total Benefit = Rs. 2,07900/-

2)      With application of  Fish Grower operation can be achieved for 75 times  Total Benefit = Rs.2,59,875./-A

Less cost of Instrument =
Rs. 40,000/-= Rs. 2,19875/-

Net Profit after recovery of Instrument cost.

Hence, Total Gain achievable =

1st year=  Rs.  2,19875/-
2nd year= Rs.  2,59,875/-
3rd year= Rs.  2,59,875/-
4th year =Rs.  2,59,875/-
5th year= Rs.  2,59,875/-
6th year= Rs.  2,59,875/-
7th year= Rs.  2,59,875/-
8th year =Rs.  2,59,875/-

Total Benefit =Rs. 20,39000/-