Group / parameters Mannan – oligosaccharides in ration
Infected Non - infected
Control 0 g / kg 2 g / kg 4 g / kg Control 0 g / kg 2 g / kg 4 g / kg
Weight(g) + SE
0 time
2 weeks
4 weeks
6 weeks

29.6± 0.9
31.1±1.1
35.5±0.6
39.5±1

28.1±1.3
32.3±0.8
39.9±0.5***
42.8±0.5*


29.1±1.4
34.5±0.9*
42.1±0.8***
44.2±0.8**


28.5±1.4
33.8±0.6
38.1±0.6
41.6±0.8

28.9±1.9
34.6±0.8
40.6±1.1
43.7±0.5*

29±1.2
35.6±0.5*
44.4±0.7***
46.6±0.7***

Weight gain(g)
2 weeks
4 weeks
6 weeks


1.5±0.2
5.9±0.3
9.9±0.1

4.2±0.5***
11.8±0.8***
14.7±0.8***

5.4±0.5***
13±0.6***
15.1±0.6***

5.3±0.8
9.6±0.8
13.1±0.6

5.7±1.1
11.7±0.8
14.8±1.4

6.6±0.7
15.4±0.5***
17.6±0.5***
SGR%
2 weeks
4weeks
6 weeks

0.003±0.01
0.006±0.01
0.007±0.002

0.009±0.03
0.01±0.03
0.01±0.02

0.01±0.03
0.01±0.02
0.009±0.01

0.01±0.06
0.01±0.06
0.009±0.01

0.01±0.06
0.01±0.02
0.01±0.03

0.01±0.06
0.01±0.02
0.01±0.01
Data are represented as means of 10 sample ± S.E
*Slightly significant different from control P<0.05
**Moderately significant different from control P<0.01
***Highly significant different from control P<0.001
Table 1: Effect of Bio-Mos® on some parameters of growth performance of O. niloticus during 6 weeks experimental period.
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