The Scientific World Journal / 2014 / Article / Tab 4

Research Article

White Mulberry (Morus alba) Foliage Methanolic Extract Can Alleviate Aeromonas hydrophila Infection in African Catfish (Clarias gariepinus)

Table 4

Experiment 2: effects of experimental diets on growth response and hepatosomatic index in African catfish fed diets with different amounts (2, 5, and 7 g/kg of dry diet) of Morus alba extract (MFE) on day 30 after infection with A. hydrophila.

ParametersDiets1
CNT2CNT2-ICNT2-I-AMFE-2-IMFE-5-IMFE-7-I

Body weight gain (g)45.6 ± 2.2a36.9 ± 1.8b48.4 ± 1.6a38.1 ± 3.0b40.0 ± 2.7b46.9 ± 2.5a
Feed intake (g/30 days)57.1 ± 2.4a49.5 ± 2.1b59.2 ± 3.3a50.9 ± 2.8b52.0 ± 2.6b58.6 ± 1.8a
Feed conversion ratio1.25 ± 0.04b1.34 ± 0.02a1.22 ± 0.03b1.33 ± 0.05a1.30 ± 0.04ab1.25 ± 0.02b
Specific growth rate (%)6.20 ± 0.09a5.70 ± 0.13b6.30 ± 0.15a5.63 ± 0.19b5.90 ± 0.17b6.23 ± 0.11a
Hepatosomatic index (%)1.65 ± 0.101.60 ± 0.071.68 ± 0.141.57 ± 0.091.60 ± 0.121.66 ± 0.14
Total body length (cm)15.9 ± 1.0a13.2 ± 0.8b16.8 ± 0.7a13.0 ± 0.6b13.5 ± 0.9b16.4 ± 0.5a

Means within the same row with different superscript letters are significantly different ().
Values are the mean ± standard error.
CNT2, control; CNT2-I, control with fish infected with A.hydrophila and fed the control diet without any additive; CNT2-I-A, control with fish infected with A. hydrophila and fed the control diet supplemented with the antibiotic oxytetracycline (1 g/199 g DM), while MFE-2-I, MFE-5-I, and MFE-7-I were control diet plus 2, 5, or 7 g/kg Morus alba foliage extract, respectively, and fish infected with A. hydrophila.

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