| E2 (pg/ml) | P4 (ng/ml) | PRL (ng/ml) |
---|---|---|---|
all dogs (n = 32) | 7.85 ± 4.70 | 9.57 ± 21.50 | 3.97 ± 1.92 |
  spayed (n = 8) | 2.35 ± 1.12a | 0.30 ± 0.27 | 2.97 ± 1.16b |
  intact (n = 24) | 9.85 ± 3.79a | 12.67 ± 24.14 | 4.31 ± 2.02b |
  anestrous (n = 13) | 8.09 ± 4.08c | 0.47 ± 0.40d | 3.99 ± 2.13 |
  diestrous (n = 11) | 11.95 ± 2.05c | 27.08 ± 30.31d | 4.69 ± 1.90 |