Table 3.
Ingredients and nutrient composition of experimental diets (g/kg as fed).
| Ingredients | Control | Control + Vit E 1 | GS 2 | GK 3 | GS + GK |
|---|---|---|---|---|---|
| Corn (8.1% CP) | 410 | 410 | 415 | 364 | 409.3 |
| Soybean (48% CP) | 383 | 383 | 373 | 359 | 371 |
| Sunflower oil | 100 | 100 | 100 | 100 | 100 |
| Salt | 3 | 3 | 3 | 3 | 3 |
| Monocalcium phosphate | 17.8 | 17.8 | 17.8 | 17.8 | 17.8 |
| Calcium carbonate | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 |
| Vitamin-mineral premix 4 | 5 | 5 | 5 | 5 | 5 |
| DL-Methionine | 2 | 2 | 2 | 2 | 2.2 |
| Straw | 55 | 55 | 30 | 15 | 30 |
| Grape seed meal | 0 | 0 | 30 | 0 | 24.4 |
| Grape skin meal | 0 | 0 | 0 | 110 | 13.1 |
| Celite 5 | 10 | 10 | 10 | 10 | 10 |
| Analysed composition | |||||
| Total extractable polyphenols | 1.7 | 1.7 | 4.09 | 4.18 | 3.97 |
| Non-extractable polyphenols | 0.075 | 0.07 | 0.324 | 1.46 | 0.413 |
| Crude protein | 208 | 207 | 205 | 207 | 209 |
| Ether extract | 122 | 122 | 124 | 126 | 122 |
| Crude fibre | 48 | 48 | 46.6 | 45.8 | 46.5 |
| Calculated composition | |||||
| AME 6 (kcal/kg) | 3106 | 3106 | 3119 | 2963 | 3099 |
| Lysine | 12.4 | 12.4 | 12.2 | 12.2 | 12.2 |
| Met + Cys | 8.8 | 8.8 | 8.82 | 8.77 | 9 |
| Ca | 10.5 | 10.5 | 10.6 | 11.1 | 10.8 |
| Available P | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
1 This diet included 200 mg/kg of α-tocopheryl acetate. 2 GS = Grape seeds. 3 GK = Grape skins. 4 Vitamin-mineral mix supplied the following per kilogram of diet: vitamin A, 8250 IU; cholecalciferol, 1000 IU; vitamin E, 11 IU; vitamin K, 1.1 mg; vitamin B12, 12.5 μg; riboflavin, 5.5 mg; Ca panthothenate, 11 mg; niacin, 53.3 mg; choline chloride, 1020 mg; folic acid, 0.75 mg; biotin, 0.25 mg; delquin, 125 mg; DL-Met, 500 mg; amprol, 1 g; Mn, 55 mg; Zn, 50 mg; Fe, 80 mg; Cu, 5 mg; Se, 0.1 mg; I, 0.18 mg; and NaCl, 2500 mg. 5 Celite Corp, Lompoc, CA. 6 AME = apparent metabolisable energy.