Abstract:
In the present study, an attempt has been made to culture the giant tiger
shrimp, P. monodon in six ponds each with 0.8 ha near Alagankulam
village of Ramanathapuram district, Tamil Nadu. The salinity of the six
ponds was ranging between 16-30 ppt and pH was 7.6 to 8.0. Minimum 3.9
ppm dissolved oxygen and maximum 4.2 ppm was recorded during the culture
period. The temperature was ranging between 27 to 30°C and the transparency
was 35 to 50 cm. Harvesting was carried out in ponds 1, 2 at DOC 142 and
3, 4 at DOC 143 and 5,6 at DOC 149. Average body weights of the ponds
1, 2, 3, 4, 5 and 6 are 38.46, 40.00, 40.00, 37.00, 38.46 and 37.00, respectively.
Highest survival 76% was recorded in pond 4 and the lowest survival 68%
recorded in pond 1. The average survival for all six ponds was calculated
as 72%. Maximum production was reported in pond 2 (2,154 kg) and minimum
was in the pond 1 (1,874 kg). The total production in all ponds was 11,998
tons. The average body weight and average daily growth was calculated
as 38.49 and 0.26 g, respectively in all ponds. The maximum amount of
feed was consumed by the shrimps in pond 2 (2,940) and minimum was in
pond 1 (2,550). The FCR for all ponds were 1.36. Maximum net profit was
obtained from pond 2 (Rs. 3,91,940) and minimum was in the pond 1 (Rs.
2, 69,492). So it is confirmed that 12 m-2 is an ideal stocking
density for the culture of P. monodon as evidenced from the net
profit Rs. 19,18,710. To get this profit, proper water quality management
and feed management is essential.
|
Subscribe Today 
