Dietary Methanolic Extract of Fenugreek Enhanced the Growth, Haematobiochemical, Immune Responses, and Resistance against Aeromonas hydrophila in Nile Tilapia, Oreochromis niloticus
Table 4
Growth performance and somatic indices (mean ± SEM) of Nile tilapia after 90 days of feeding on methanolic extract of fenugreek seed (FS).
Items
Methanolic extract of FS (%)
value
0
0.05
0.1
0.15
0.21
Initial body weight (g)
10.39 ± 0.14
10.71 ± 0.14
10.53 ± 0.15
10.58 ± 0.14
10.65 ± 0.14
0.5547
Final body weight (g)
39.26 ± 0.20c
43.51 ± 0.22b
46.42 ± 0.18a
42.31 ± 0.19b
36.77 ± 0.17d
<0.0001
Weight gain ratio (%)
277.86 ± 3.57c
306.26 ± 4.17b
340.84 ± 5.66a
299.91 ± 4.65b
245.26 ± 3.71d
<0.0001
Feed conversion ratio
1.50 ± 0.01b
1.32 ± 0.01c
1.21 ± 0.01d
1.37 ± 0.01c
1.66 ± 0.01a
<0.0001
Specific growth rate (%/day)
1.48 ± 0.01c
1.56 ± 0.01b
1.65 ± 0.01a
1.54 ± 0.01 b
1.38 ± 0.01d
<0.0001
Protein efficiency ratio
2.21 ± 0.01c
2.51 ± 0.11db
2.75 ± 0.01a
2.43 ± 0.01 b
2.00 ± 0.01d
<0.0001
Condition factor
1.670 ± 0.041
1.63 ± 0.03
1.515 ± 0.07
1.484 ± 0.06
1.531 ± 0.02
0.0293
Visceralsomatic index (%)
3.97 ± 0.02b
3.74 ± 0.02c
3.74 ± 0.03c
4.23 ± 0.02a
4.29 ± 0.02a
<0.0001
Hepatosomatic index (%)
1.99 ± 0.0
1.88 ± 0.0
1.79 ± 0.0
1.82 ± 0.0
2.23 ± 0.0
0.9296
Survival rate (%)
100
100
100
100
100
—
Means within each raw of different superscripts are significantly different at .
