Table 1
Proximate analysis of five floating aquatic macrophytes and relative scores related to nutritional value. Except for crude fibre (*), all data are expressed as the mean ± SEM (standard error of the mean; n = 3) and are expressed in percentage of dry matter (% DM). Values in the same column with the same letter are not significantly different at P > 0.05. (*) Only one analysis.
| Macrophytes | Total energy MJ kg−1 | Score | Dry matter | Crude protein score | Score | Crude fat | Score | Carbohydrates | Crude fibre | score | Ash | Average score | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Azolla filiculoides | 15.4 | ±0.9a | 5 | 6.9 | ±0.7 | 29.4 | ±2.6ab | 4 | 6.7 | ±2.5a | 5 | 38.3 | ±2.2 a | 15.0 | 4 | 16.7 | ±2a | 4.5 |
| Lemna minor | 14.4 | ±3.0ab | 4 | 7.2 | ±0.4 | 34.8 | ±5a | 5 | 5.8 | ±2.2a | 4 | 47.2 | ±4.4 a | 12.5 | 5 | 21.1 | ±4.3ab | 4.5 |
| Echhornia crassipes | 14.1 | ±3.1ab | 3 | 6.3 | ±0.7 | 24.0 | ±1.2ab | 3 | 2.9 | ±2.1a | 2 | 53.7 | ±4.0 a | 22.6 | 3 | 19.4 | ±0.8ab | 3.0 |
| Salvinia molesta Sm1 | 13.1 | ±6.4ab | 2 | 10.3 | ±1.8 | 23.4 | ±1.5ab | 2 | 2.9 | ±1.5a | 2 | 48.2 | ±1.9 a | 35.5 | 1 | 25.4 | ±2.0ab | 1.8 |
| Salvinia molesta Sm2 | 12.3 | ±3.8b | 1 | 7.3 | ±0.4 | 14.6 | ±4.6b | 1 | 2.0 | ±0.4a | 1 | 54.3 | ±5.8 a | 35.5 | 1 | 29.1 | ±1.8b | 1.0 |
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