Table 2.
Chemical and fatty acid composition of the feedstuffs used in the experiment
| Ewe feedstuffs | Lamb concentrates | ||||
|---|---|---|---|---|---|
| Item | TMR1 | Alfalfa | Sainfoin | Control2 | QUE2 |
| Chemical composition, g/kg DM | |||||
| Moisture | 924.0 | 919.5 | 916.0 | 886.1 | 889.1 |
| CP | 109.0 | 189.7 | 161.3 | 195.4 | 210.1 |
| NDF | 427.0 | 454.9 | 451.9 | 177.7 | 176.5 |
| ADF | 200.0 | 310.2 | 352.0 | 43.6 | 41.1 |
| ADL | 25.3 | 66.8 | 82.7 | 6.0 | 6.3 |
| Ash | 47.9 | 90.4 | 78.4 | 54.3 | 53.8 |
| Condensed tannins, cyanidin equivalent | 0.8 | 1.5 | 21.9 | 0.6 | 3.7 |
| α-Tocopherol, µg/g DM | 5.5 | 132.2 | 396.9 | 4.9 | 3.1 |
| Fatty acids, % FAME3 | |||||
| C14:0 | 2.8 | 0.9 | 0.5 | 0.5 | 0.6 |
| C16:0 | 31.2 | 24.7 | 23.4 | 25.2 | 28.5 |
| C16:1n-7 | 0.5 | 0.4 | 0.3 | 0.1 | 0.2 |
| C17:0 | 0.3 | 0.5 | 0.4 | 0.1 | 0.1 |
| C18:0 | 7.5 | 6.6 | 6.6 | 2.9 | 3.4 |
| C18:1n-9 | 23.1 | 3.5 | 3.5 | 29.8 | 30.8 |
| C18:2n-6 | 26.6 | 18.5 | 16.3 | 37.6 | 33.0 |
| C18:3n-3 | 2.8 | 35.6 | 40.8 | 2.4 | 2.0 |
1
TMR = total mixed ration, which was fed to the Indoor ewes.
2
Control = commercial concentrate; QUE = commercial concentrate with 5% quebracho.
3
FAME = fatty acid methyl esters. These were the identified total FAME.