Table 1 Proximate composition of Achatina species collected from some rural agro-settlements, south-east Nigeria
Parameters | Species | Mean ± SD | Median (IQR) | ANOVA (df = 2,42) | Δ Mean‡ |
|---|---|---|---|---|---|
Moisture | Achatina achatina | 73.72 ± 3.28 | 72.50 (2.04) | F = 0.075 | – |
|  | Achatina marginata | 73.65 ± 2.43 | 73.05 (2.43) | p = 0.928 |  |
|  | Achatina fulica | 73.37 ± 1.91 | 73.02 (2.38) |  |  |
Protein | Achatina achatina | 20.03 ± 3.50 | 21.25 (6.02) | F = 0.648 | – |
|  | Achatina marginata | 18.83 ± 2.65 | 18.46 (3.04) | p = 0.528 |  |
|  | Achatina fulica | 19.49 ± 2.41 | 19.33 (3.42) |  |  |
Crude fibre | Achatina achatina | 0.63 ± 0.57 | 0.44 (0.14) | F = 1.267 | – |
|  | Achatina marginata | 0.36 ± 0.49 | 0.20 (0.22) | p = 0.292 |  |
|  | Achatina fulica | 0.42 ± 0.42 | 0.30 (0.85) |  |  |
Fat and oil | Achatina achatina | 3.85 ± 1.09 | 4.0 (1.84) | F = 0.754 | – |
|  | Achatina marginata | 4.40 ± 2.37 | 3.6 (1.81) | p = 0.477 |  |
|  | Achatina fulica | 4.63 ± 1.62 | 4.2 (2.24) |  |  |
Ash | Achatina achatina | 3.47 ± 1.14 | 3.56 (1.68) | F = 1.205 | – |
|  | Achatina marginata | 2.90 ± 1.05 | 3.24 (1.67) | p = 0.310 |  |
|  | Achatina fulica | 2.98 ± 1.06 | 3.52 (1.82) |  |  |
Cho | Achatina achatina | 4.42 ± 1.66 | 4.37 (2.22) | F = 3.000 | – |
|  | Achatina marginata | 6.13 ± 2.68 | 5.58 (1.40) | p = 0.061 |  |
|  | Achatina fulica | 6.00 ± 1.93 | 5.69 (2.35) |  |  |
Nit | Achatina achatina | 4.34 ± 1.17 | 4.50 (1.84) | F = 0.108 |  |
|  | Achatina marginata | 4.15 ± 1.06 | 4.60 (1.69) | p = 0.898 | – |
|  | Achatina fulica | 4.26 ± 1.06 | 4.74 (1.72) |  |  |
Ca | Achatina achatina | 0.22 ± 0.03 | 0.22 (0.04) | F = 3.568 | AM-AA = −0.023* |
|  | Achatina marginata | 0.20 ± 0.03 | 0.20 (0.04) | p = 0.037* | AF-AA = −0.017 |
|  | Achatina fulica | 0.20 ± 0.02 | 0.20 (0.03) |  | AF-AM = 0.006 |