Research Article

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).

ItemsMethanolic extract of FS (%) value
00.050.10.150.21

Initial body weight (g)10.39 ± 0.1410.71 ± 0.1410.53 ± 0.1510.58 ± 0.1410.65 ± 0.140.5547
Final body weight (g)39.26 ± 0.20c43.51 ± 0.22b46.42 ± 0.18a42.31 ± 0.19b36.77 ± 0.17d<0.0001
Weight gain ratio (%)277.86 ± 3.57c306.26 ± 4.17b340.84 ± 5.66a299.91 ± 4.65b245.26 ± 3.71d<0.0001
Feed conversion ratio1.50 ± 0.01b1.32 ± 0.01c1.21 ± 0.01d1.37 ± 0.01c1.66 ± 0.01a<0.0001
Specific growth rate (%/day)1.48 ± 0.01c1.56 ± 0.01b1.65 ± 0.01a1.54 ± 0.01 b1.38 ± 0.01d<0.0001
Protein efficiency ratio2.21 ± 0.01c2.51 ± 0.11db2.75 ± 0.01a2.43 ± 0.01 b2.00 ± 0.01d<0.0001
Condition factor1.670 ± 0.0411.63 ± 0.031.515 ± 0.071.484 ± 0.061.531 ± 0.020.0293
Visceralsomatic index (%)3.97 ± 0.02b3.74 ± 0.02c3.74 ± 0.03c4.23 ± 0.02a4.29 ± 0.02a<0.0001
Hepatosomatic index (%)1.99 ± 0.01.88 ± 0.01.79 ± 0.01.82 ± 0.02.23 ± 0.00.9296
Survival rate (%)100100100100100

Means within each raw of different superscripts are significantly different at .