Table 9.
Added vitamin and trace mineral concentrations in gestation diets
| Count, N1 | Weighted average2 | Average | Ratio to NRC | Standard deviation | Low | 25% | Median | 75% | High | |
|---|---|---|---|---|---|---|---|---|---|---|
| Vitamins | ||||||||||
| A, IU/kg | 36 | 10,511 | 9,646 | 2.41 | 1,549 | 5,511 | 8,821 | 9,920 | 10,856 | 12,472 |
| D, IU/kg | 36 | 2,276 | 2,367 | 2.96 | 805.9 | 1,500 | 1,733 | 2,204 | 2,537 | 4,499 |
| E, IU/kg | 35 | 95.5 | 84.4 | 1.92 | 22.9 | 44.1 | 66.1 | 79.4 | 94.5 | 132.3 |
| K, mg/kg | 36 | 3.87 | 3.96 | 7.92 | 2.10 | 1.41 | 3.00 | 3.75 | 4.42 | 14.5 |
| Thiamin, mg/kg | 28 | 2.57 | 2.74 | 2.74 | 1.94 | 0.25 | 2.04 | 2.21 | 3.00 | 9.92 |
| Riboflavin, mg/kg | 36 | 9.01 | 8.58 | 2.29 | 1.26 | 5.51 | 7.88 | 8.27 | 9.92 | 10.8 |
| Niacin, mg/kg | 36 | 44.9 | 45.3 | 4.53 | 9.34 | 22.0 | 39.9 | 44.1 | 49.6 | 82.7 |
| Pantothenic acid, mg/kg | 36 | 31.8 | 29.8 | 2.49 | 5.47 | 20.0 | 26.4 | 28.1 | 33.0 | 45.2 |
| Pyridoxine, mg/kg | 36 | 4.08 | 3.11 | 3.11 | 1.65 | 0.25 | 1.98 | 3.31 | 4.00 | 8.17 |
| B12, μg/kg | 36 | 37.9 | 36.5 | 2.44 | 5.70 | 20.0 | 33.1 | 37.4 | 39.7 | 55.1 |
| Biotin, mg/kg | 36 | 0.37 | 0.29 | 1.43 | 0.10 | 0.09 | 0.22 | 0.25 | 0.33 | 0.65 |
| Folic acid, mg/kg | 35 | 2.65 | 2.11 | 1.62 | 1.32 | 0.88 | 1.32 | 1.74 | 2.21 | 8.27 |
| Choline, mg/kg | 33 | 533.3 | 576.3 | 0.46 | 115.3 | 300.0 | 515.0 | 584.3 | 661.2 | 778.4 |
| C,3 mg/kg | 1 | 209.5 | 209.5 | – | – | – | – | – | – | – |
| Trace minerals | ||||||||||
| Copper, mg/kg | 36 | 16.6 | 17.6 | 1.76 | 2.83 | 11.6 | 15.0 | 16.5 | 20.0 | 25.0 |
| Manganese, mg/kg | 36 | 42.3 | 43.4 | 1.74 | 9.57 | 20.0 | 35.3 | 50.0 | 50.0 | 60.0 |
| Selenium, mg/kg | 36 | 0.30 | 0.30 | 2.00 | 0.01 | 0.27 | 0.30 | 0.30 | 0.30 | 0.30 |
| Zinc, mg/kg | 36 | 125.0 | 127.8 | 1.28 | 34.9 | 60.0 | 111.9 | 125.0 | 125.2 | 302.0 |
| Iodine, mg/kg | 36 | 0.53 | 0.52 | 3.73 | 0.26 | 0.23 | 0.35 | 0.50 | 0.63 | 1.26 |
| Iron, mg/kg | 36 | 94.4 | 109.7 | 1.37 | 20.5 | 45.0 | 100.0 | 105.0 | 118.5 | 165.0 |
| Chromium,3 mg/kg | 21 | 0.20 | 0.19 | – | 0.03 | 0.08 | 0.20 | 0.20 | 0.20 | 0.20 |
| Cobalt,3 mg/kg | 1 | 0.39 | 0.39 | – | – | – | – | – | – | – |
| Carnitine,3 mg/kg | 1 | 19.8 | 19.8 | – | – | – | – | – | – | – |
1Respondents who added the nutrient to the diet from the 4,370,100 sows surveyed. Reported values are on a complete-feed basis.
2Sum of the products of the inclusion level multiplied by the size of the production (# of sows), divided by the total number of sows from the participants that provided added levels for that nutrient
3 NRC (2012) does not provide a recommendation level of the nutrient.