Table 6 Body chemical composition of Florida red tilapia (♂ and ♀) fed Moringa oleifera leaf ethanol extract (MOLE) for 60 days pre-spawning and 120 days spawning period, at different salinities.
Variable | Salinity | (18ppt) | (32ppt) | P-value | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Diet | D0 | D5 | D10 | D15 | D0 | D5 | D10 | D15 | Salinity | MOLE | S×M1 | |
Treatment | MSD0 | MSD5 | MSD10 | MSD15 | HSD0 | HSD5 | HSD10 | HSD15 | ||||
Female ♀ | ||||||||||||
Moisture | 71.7 ± 0.12b | 71.9 ± 0.06b | 72.1 ± 0.04b | 71.7 ± 0.15b | 68.6 ± 0.33c | 72.6 ± 0.08a | 72.2 ± 0.1ab | 72 ± 0.1b | < 0.001 | < 0.001 | < 0.001 | |
Dry matter, % | 28.3 ± 0.12b | 28.1 ± 0.06b | 27.9 ± 0.04b | 28.3 ± 0.15b | 31.4 ± 0.33a | 27.4 ± 0.08c | 27.8 ± 0.1bc | 28 ± 0.1b | < 0.001 | < 0.001 | < 0.001 | |
Protein, % | 57.8 ± 0.22d | 60.4 ± 0.32b | 60.8 ± 0.21ab | 60.8 ± 0.28ab | 59.2 ± 0.27c | 61.1 ± 0.1a | 60.3 ± 0.27b | 60.8 ± 0.41ab | < 0.001 | < 0.001 | < 0.001 | |
Lipid, % | 21 ± 0.35a | 20.1 ± 0.16b | 20.2 ± 0.07b | 19.9 ± 0.04c | 21.2 ± 0.04a | 20.0 ± 0.17b | 20.1 ± 0.06b | 19 ± 0.13d | < 0.001 | < 0.001 | 0.012 | |
Ash, % | 14.9 ± 0.44f | 16.2 ± 0.23e | 17.9 ± 0.07c | 18.7 ± 0.12b | 17.6 ± 0.17d | 18.1 ± 0.1c | 19.1 ± 0.23ab | 19.5 ± 0.21a | < 0.001 | < 0.001 | 0.003 | |
Male ♂ | ||||||||||||
Moisture | 70 ± 0.16f | 72.1 ± 0.15d | 72.3 ± 0.13cd | 73.1 ± 0.02a | 71.6 ± 0.22e | 72.6 ± 0.13de | 72.9 ± 0.04ab | 73.2 ± 0.03a | < 0.001 | < 0.001 | < 0.001 | |
Dry matter, % | 30 ± 0.16a | 27.9 ± 0.15c | 27.7 ± 0.13cd | 26.9 ± 0.02f | 28.4 ± 0.22b | 27.4 ± 0.13de | 27.1 ± 0.05ef | 26.8 ± 0.03f | < 0.001 | < 0.001 | < 0.001 | |
Protein, % | 63.3 ± 0.11d | 64.6 ± 0.35b | 64.8 ± 0.35b | 65.7 ± 0.17a | 64.2 ± 0.352c | 65.1 ± 0.35ab | 65.6 ± 0.17a | 65.8 ± 0.16a | 0.012 | < 0.001 | 0.451 | |
Lipid, % | 18.2 ± 0.15a | 15.8 ± 0.47bc | 15.5 ± 0.49bc | 14.1 ± 0.29d | 16.4 ± 0.44b | 15.1 ± 0.51c | 14.4 ± 0.26cd | 13.9 ± 0.36e | 0.004 | < 0.001 | 0.274 | |
Ash, % | 18.2 ± 0.1e | 19.3 ± 0.06cd | 19.4 ± 0.08c | 20.1 ± 0.08ab | 19.1 ± 0.03d | 19.5 ± 0.1c | 20 ± 0.15b | 20.2 ± 0.02a | < 0.001 | < 0.001 | 0.003 |