Table 4.
Percentage of whole-blood and serum samples below adequate levels
| Intermountain | Northern foothills | Central | Southern | Statewide | ||
|---|---|---|---|---|---|---|
| Mineral | Adequate level1 | % below critical level | ||||
| Selenium | 0.08 mg/mL | 3 | 4 | 28 | 2 | 12 |
| Copper | 0.8 mg/mL | 1 | 13 | 31 | 55 | 28 |
| Zinc | 0.8 mg/mL | 47 | 35 | 23 | 40 | 36 |
| Magnesium | 18 mg/mL | 9 | 3 | 11 | 7 | 7 |
| Manganese | 6 ng/mL | 96 | 90 | 92 | 97 | 92 |
| Calcium | 80 mg/mL | 0 | 1 | 0 | 3 | 2 |
| Phosphorus | 45 mg/mL | 23 | 11 | 3 | 4 | 9 |
| Iron | 1.3 mg/mL | 34 | 33 | 62 | 65 | 52 |
| Potassium | 3.9 mg/mL | 9 | 18 | 9 | 18 | 16 |
| Sodium | 135 mg/mL | 0 | 8 | 15 | 9 | 10 |
1Adapted from Puls (1988); Wikse et al. (1992); Dargatz and Ross (1996); Kincaid (2000); and based on the recommendations of the California Animal Health and Food Safety Lab, UC Davis.