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Table 1 Effect of season on the measured stress indices collected from 14 female reindeer during repeated handling procedures

From: Getting used to it? Stress of repeated management procedures in semi-domesticated reindeer

Parameter

 

Summer

Winter

Effect of season

n

(mean ± sd)

(range)

(mean ± sd)

(range)

on value1

via int. effects2

Cortisol (nmol/l)

83

115.5 ± 53.3

16.0–242.0

135.3 ± 62.3

16.0–246.0

0.123

No

Cortisone (nmol/l)

83

12.0 ± 4.5

5.3–26.0

11.5 ± 4.6

4.4–23.0

0.675

Yes

Cortisol/Cortisone ratio

83

10.1 ± 5.0

1.8–26.4

12.5 ± 6.4

2.1–27.7

0.069

Yes

Corticosterone (nmol/l)

83

10.8 ± 8.7

1.5–40.0

13.3 ± 8.1

0.9–31.0

0.165

No

11-deoxycortisol (nmol/l)

83

15.4 ± 15.9

0.6–77.0

6.6 ± 5.6

0.1–21.0

0.001

Yes

17α-hydroxy progest. (nmol/l)

83

1.3 ± 1.8

0.2–10.0

2.1 ± 1.4

0.2–5.7

0.021

No

Deoxycorticosterone (nmol/l)

83

1.4 ± 1.7

0.1–7.5

0.5 ± 0.5

0.1–2.1

0.003

Yes

Metanephrine (nmol/l)

83

1.8 ± 0.7

1.0–4.3

2.7 ± 1.0

1.4–6.1

< 0.001

Yes

Normetanephrine (nmol/l)

83

2.3 ± 1.4

0.6–7.8

4.2 ± 1.7

2.1–10.0

< 0.001

Yes

Rectal temperature (°C)

196

39.9 ± 0.6

38.5–41.7

39.4 ± 0.5

37.8–41.0

< 0.001

No

LCC (auc)

167

11,043 ± 5653

2644–28,076

3727 ± 1759

1018–11,162

< 0.001

Yes

  1. 1 Based on models containing season as the sole explanatory variable
  2. 2 Indicating significant effects of season via interactive effects with other independent variables (for details see additional Table A1)