Table 2. Hormone levels (mean ± SE ng/g) of caribou in northwest Alaska in 2012 and 2013.
| A. All Samples | ||||
|---|---|---|---|---|
| Class | N | Progesterone | Glucocorticoid (GC) | Triiodothryronine (T3) |
| Pregnant Cows | 134 | 8531.7 (354.2) | 118.5 (2.8) | 156.2 (3.4) |
| Non-Pregnant Cows | 61 | 674.7 (164.1) | 112.1 (4.3) | 151.7 (6.2) |
| Bulls | 131 | 109.1 (2.3) | 153.2 (4.0) | |
| B. Arctic caribou | ||||
| Class | N | Progesterone | Glucocorticoid (GC) | Triiodothryronine (T3) |
| Pregnant Cows | 128 | 8386.0 (362.1) | 119.7 (2.9) | 158.7 (3.3) |
| Non-Pregnant Cows | 55 | 731.2 (180.5) | 114.5 (4.4) | 151.4 (6.4) |
| Bulls | 114 | 109.4 (2.6) | 153.2 (4.5) | |
| C. Galena Mountain Herd caribou | ||||
| Class | N | Progesterone | Glucocorticoid (GC) | Triiodothryronine (T3) |
| Pregnant Cows | 6 | 11641.0 (1208.7) | 93.3 (5.4) | 102.8 (10.7) |
| Non-Pregnant Cows | 6 | 157.0 (21.0) | 90.0 (14.8) | 154.7 (23.5) |
| Bulls | 17 | 107.1 (4.8) | 153.3 (9.2) |