Table 1 Small mammal corticosterone and cortisol concentrations for Oligoryzomys, Akodon, Gracilinanus and Marmosa.
O. mattagrossae | O. flavescence | O. nigripes | A. montensis | A. paranaensis | G. agilis | M. paraguayana | |
---|---|---|---|---|---|---|---|
Samples (N) | 2 | 2 | 56 | 23 | 14 | 7 | 2 |
Corticosterone | |||||||
Mean ± SE (pg/mg) | 1403.3 ± 689.1 | 498.7 ± 106.6 | 986.2 ± 95.3 | 454.4 ± 66.1 | 479.6 ± 68.6 | 42.3 ± 13.6 | 23.5 ± 7.5 |
Cortisol | |||||||
Mean ± SE (pg/mg) | 248.6 ± 198.0 | 53.2 ± 5.0 | 209.1 ± 34.0 | 24.7 ± 4.5 | 21.01 ± 2.8 | 75.3 ± 28.5 | 34.6 ± 5.3 |
Corticosterone + cortisol | |||||||
Mean ± SE (pg/mg) | 1651.9 ± 887.1 | 551.9 ± 111.6 | 1195.3 ± 112.0 | 479.1 ± 70.1 | 500.6 ± 70.4 | 117.6 ± 41.3 | 58.1 ± 12.7 |
Corticosterone-cortisol ratio | |||||||
Mean ± SE | 9.4 ± 4.7 | 9.3 ± 1.1 | 7.5 ± 0.6 | 20.8 ± 2.2 | 24.4 ± 2.9 | 0.7 ± 0.1 | 0.7 ± 0.1 |