Table 1.
Ingredients (% as fed basis) and chemical composition (g/100 g) of the concentrates used in the experimental diets (by Cobellis et al. [8])
| Item | Diet | |||
|---|---|---|---|---|
| Ingredients | CTR | RL pellet | RL | EO |
| Wheat bran | 40.00 | 30.00 | 39.00 | 39.30 |
| Wheat flour middlings | 17.80 | 24.30 | 17.35 | 17.49 |
| Corn grain | 10.00 | 10.00 | 9.75 | 9.82 |
| Sunflower meal | 14.90 | 14.90 | 14.53 | 14.64 |
| Soybean meal | 5.00 | 6.00 | 4.87 | 4.91 |
| Calcium carbonate | 4.20 | 4.20 | 4.09 | 4.13 |
| Dehydrated alfalfa meal | 3.50 | 3.50 | 3.41 | 3.44 |
| Beet protein concentrate | 2.00 | 2.00 | 1.95 | 1.96 |
| Sugar cane molasses | 2.00 | 2.00 | 1.95 | 1.96 |
| Vitamin-mineral supplement1 | 0.60 | 0.60 | 0.60 | 0.60 |
| Rosemary leaves | - | 2.50 | 2.50 | - |
| Rosemary essential oil | - | - | - | 1.75 |
| Chemical composition | ||||
| Analysed | ||||
| Dry matter | 92.88 | 92.78 | 92.84 | 92.96 |
| Crude protein | 18.40 | 18.44 | 18.09 | 18.08 |
| Crude fat | 3.08 | 3.21 | 3.12 | 3.05 |
| Ash | 9.84 | 9.98 | 9.79 | 11.24 |
| NDF | 29.65 | 29.52 | 29.79 | 29.13 |
| ADF | 10.65 | 11.17 | 10.99 | 10.47 |
| Lignin sa | 3.14 | 2.99 | 3.38 | 3.08 |
| Ca | 0.80 | 0.70 | 0.79 | 0.79 |
| P | 0.75 | 0.68 | 0.75 | 0.74 |
| Na | 0.28 | 0.27 | 0.27 | 0.28 |
| Calculated | ||||
| Lys | 0.70 | 0.71 | 0.68 | 0.69 |
| Met | 0.29 | 0.29 | 0.28 | 0.28 |
| Met + Cys | 0.58 | 0.58 | 0.56 | 0.57 |
| Choline | 0.14 | 0.14 | 0.14 | 0.14 |
1Supplied per kilogram of diet: Vitamin A, 18,000 I.U. (retinol); Vitamin D3, 2,100 I.U.; Vitamin E, 21 mg (α-tocopheryl acetate); Fe, 29 mg; Co, 0.75 mg; Mn, 39 mg; Zn, 150 mg; Se, 0.06 mg. CTR: control; RL pellet: CTR plus 10 g/d of dried and ground rosemary leaves pelleted into concentrate; RL: CTR plus 10 g/d of dried and ground rosemary leaves; EO: CTR plus 7 g/d of rosemary essential oil adsorbed on an inert support