International Journal of Aquaculture 2015, Vol.5, No.34, 1-7
3
Table 1 Body length (cm) (mean
±
SE) of Nile tilapia fingerlings in different ponds.
Note: Means with the same letter in each column are not significantly different (P>0.05)
Table 2 Body weight (gm) (mean
±
SE) of Nile tilapia fingerlings in different ponds
Pond
Experimental period (days)
0
15
30
45
60
75
90
105
120
P1
5.7±
0.02
a
5.9±
0.02
c
6.8±
0.03
c
8.9±
0.04
c
9.1±
0.03
c
11.3±
0.03
c
13.6±
0.02
c
15.7±
0.02
c
18.2±
0.02
c
P2
5.7±
0.02
a
7.1±
0.04
b
11.2±
0.03
b
15.9±
0.04
b
21.2±
0.05
b
27.2±
0.05
b
33.1±
0.05
b
42.3±
0.53
b
52.4±
0.57
b
P3
5.7±
0.02
a
8.7±
0.08
a
12.2±
0.06
a
17.1±
0.12
a
22.8±
0.13
a
30.3±
0.27
a
39.8±
0.22
a
51.5±
0.27
a
63.7±
0.50
a
Note: Means with the same letter in each column are not significantly different (P>0.05)
Table 3 Body weight gain (gm/individual fish) (mean
±
SE) of Nile tilapia fingerlings
Note: Means with the same letter in each column are not significantly different (P>0.05)
Pond
Experimental period
0
15
30
45
60
75
90
105
120
P1
5.0±
0.03
a
5.7±
0.02
c
6.3±
0.05
c
6.8±
0.03
c
7.2±
0.04
c
7.5±
0.04
a
7.8±
0.02
c
7.8±
0.02
c
8.1±
0.03
c
P2
5.0±
0.03
a
5.9±
0.04
b
6.8±
0.03
a
7.5±
0.04
a
8.1±
0.03
b
8.6±
0.02
b
9.0±
0.02
b
9.3±
0.01
b
9.6±
0.04
b
P3
5.0±
0.03
a
6.0±
0.04
a
6.8±
0.04
a
7.5±
0.04
a
8.2±
0.04
a
8.9±
0.03
a
9.3±
0.02
a
9.7±
0.02
a
10.1±
0.03
a
Ponds
Experimental period (days)
15
30
45
60
75
90
105
120
P1
0.2±
0.03
c
0.9±
0.04
c
2.1±
0.04
c
2.2±
0.08
c
2.3±
0.03
c
2.3±
0.03
c
2.6±
0.03
c
2.6±
0.03
c
P2
1.2±
0.05
b
4.3±
0.01
b
4.5±
0.05
b
5.4±
0.06
a
5.9±
0.08
b
6.0±
0.08
b
9.2±
0.54
b
10.1±
0.78
b
P3
3.0±
0.09
a
3.5±
0.07
a
4.9±
0.12
a
5.7±
0.20
a
7.5±
0.25
a
9.5±
0.36
a
11.8±
0.38
a
12.3±
0.53
a
