317
Table 9.12 Survival (%) and production (kg ha
−1
) of tiger shrimp and fishes in shrimp-tade mullet- parsia-grey mullet (T1), shrimp-tade mullet-parsia-milkfish
(T2), shrimp-tade mullet-grey mullet- milkfish (T3), shrimp-parsia-grey mullet-milkfish (T4) and shrimp-tade mullet-parsia-grey mullet- milkfish (T5)
polyculture during 2nd year
Parameters
Species
T1
T2
T3
T4
T5
Survival (%)
Tiger shrimp
61.9 ± 5.1
a
52.0 ± 4.3
c
52.4 ± 5.2
c
56.5 ± 3.8
b
51.4 ± 3.2
d
Tade mullet
75.3 ± 3.1
b
87.3 ± 6.8
a
71.6 ± 2.9
c
–
65.3 ± 4.3
d
Parsia
73.6 ± 5.7
b
77.1 ± 7.1
a
–
65.2 ± 4.8
c
59.4 ± 5.2
d
Grey mullet
85.8 ± 7.4
a
–
63.3 ± 4.2
d
76.2 ± 9.3
b
69.7 ± 4.9
c
Milk fish
–
56.5 ± 6.1
c
61.4 ± 7.9
a
59.1 ± 4.5
b
51.2 ± 5.1
d
Production (Kg ha
−1
)
Tiger shrimp
703.07 ± 29.33
a
557.65 ± 21.49
d
633.35 ± 24.07
b
612.89 ± 22.62
c
552.74 ± 26.03
e
Tade mullet
789.37 ± 21.44
a
751.39 ± 18.15
b
593.15 ± 15.91
c
–
503.71 ± 19.41
d
Parsia
431.91 ± 13.73
a
368.45 ± 10.68
b
–
367.19 ± 15.22
c
315.79 ± 15.51
d
Grey mullet
1674.97 ± 56.48
a
–
1104.38 ± 31.72
d
1152.83 ± 29.05
c
1284.08 ± 24.83
b
Milk fish
–
1159.89 ± 34.28
a
919.14 ± 27.97
b
861.25 ± 21.29
c
799.29 ± 19.07
d
Total
3599.32
a
2837.38
e
3250.02
c
2994.16
d
3455.61
b
Means bearing different superscripts indicate statistically significant differences in a row (p < 0.05); values are expressed as mean ± SE of three replicate ponds
Oyster Culture