Table 1.
Chemical composition of cabbage samples (n = 3; g/100 g dry matter unless otherwise stated) and of barley, sugar beet pulp, and wheat DDGS (dried distiller grains with solubles) used as reference (n = 1).
| Item | Cabbages | SEM 2 | p | Reference Feeds | |||||
|---|---|---|---|---|---|---|---|---|---|
| Brussels Sprouts | White Cabbage | Savoy Cabbage | Red Cabbage | Barley | Sugar Beet Pulp | Wheat DDGS | |||
| Dry matter (%) | 16.3 b | 5.64 a | 7.14 a | 6.60 a | 0.388 | <0.001 | 89.9 | 89.1 | 92.2 |
| Organic matter | 92.2 b | 84.7 a | 86.4 a | 89.1 a | 0.44 | <0.001 | 97.3 | 94.9 | 95.5 |
| Crude protein (CP) | 24.8 b | 19.5 a | 20.7 a | 19.8 a | 0.59 | <0.001 | 12.4 | 9.44 | 32.9 |
| Ether extract | 2.90 a | 3.57 ab | 4.36 a | 4.54 a | 0.220 | 0.002 | 3.16 | 0.80 | 4.61 |
| Sugars | 41.4 | 35.3 | 34.2 | 27.2 | 3.35 | 0.095 | 3.69 | 13.5 | 6.97 |
| Neutral detergent fiber (NDF) | 17.5 a | 23.5 ab | 28 b | 25.4 b | 1.54 | 0.007 | 22.7 | 48 | 29.5 |
| Acid detergent fiber | 10.3 a | 15.4 ab | 17.3 b | 17.6 b | 0.751 | <0.001 | 5.23 | 24.2 | 11.2 |
| Lignin | 0.25 | 1.53 | 1.97 | 2.43 | 0.574 | 0.119 | 1.22 | 2.16 | 3.33 |
| Hemicellulose | 7.24 | 8.15 | 10.7 | 8.87 | 0.845 | 0.087 | 19.6 | 23.9 | 18.3 |
| Lignin (% of NDF) | 1.43 | 6.20 | 7.01 | 9.40 | 1.914 | 0.092 | 5.37 | 4.49 | 11.2 |
| NDICP 1 (% CP) | 4.89 | 15.8 | 17.8 | 13.9 | 3.26 | 0.091 | 14.5 | 55 | 28.9 |
a, b Within cabbages, means in the same row with different superscript differ (p < 0.05). 1 NDICP: neutral detergent insoluble crude protein expressed as g/100 g crude protein. 2 SEM: standard error of the mean.