Table 3 Survival and feed utilization of Oreochromis niloticus juveniles fed with different quantities of Garcinia kola supplemented diets for 70 days

Initial number

36

36

36

Final number

36

36

36

Survival rate (%)

100^a

100^a

100^a

Initial biomass (g)

159.86 ± 8.71

158.15 ± 6.87

161.72 ± 16.94

Final biomass (g)

352.13 ± 27.28

391.63 ± 13.66

319.18 ± 16.94

Initial weight (g)

13.32 ± 0.72

13.18 ± 0.57

13.48 ± 0.78

Final weight (g)

29.34 ± 2.27

32.64 ± 1.13

26.60 ± 1.41

Final length (cm)

11.35 ± 0.41

12.35 ± 0.10

11.30 ± 0.19

Condition factor

2.00 ± 0.10^a

1.73 ± 0.04^a

1.84 ± 0.03^a

Feed intake (g/fish)

69.94 ± 4.68^ab

73.81 ± 2.60^a

63.35 ± 2.68^b

Protein intake (g/fish)

28.00 ± 1.08^ab

29.56 ± 0.60^a

25.37 ± 0.62 ^b

Feed conversion ratio

4.39 ± 0.30^a

3.80 ± 0.10^a

4.87 ± 0.37^a

Protein efficiency ratio

0.57 ± 0.03 ^ab

0.66 ± 0.01 ^a

0.52 ± 0.04 ^b