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Table 1 Results of linear mixed models for the effects of hatch stage (early, middle and late), age (3- and 6-day-old), nest temperature on body temperature, blood thyroid hormones (triiodothyronine, T3 and thyroxine, T4) and corticosterone concentration in wild Asian Short-toed Lark (Alaudala cheleensis) nestlings captured in Hulun Lake Nature Reserve, Inner Mongolia, China

From: Endocrine response of early-hatching Asian Short-toed Lark nestlings exposed to cold temperature in a high-latitude grassland habitat

Response variable

Explanatory variable

F

P

Body temperature

Hatch stage

4.317

0.049

 

Age

11.79

 < 0.001

 

Nest temperature

5.80

0.012

 

Hatch stage × age

31.466

 < 0.001

 

Nest temperature × age

15.495

 < 0.001

T3

Hatch stage

0.831

0.441

 

Age

0.923

0.341

 

Nest temperature

10.932

0.002

 

Hatch stage × age

4.281

0.018

 

Nest temperature × age

0.438

0.529

T4

Hatch stage

7.713

0.036

 

Age

547.552

 < 0.001

 

Nest temperature

118.926

 < 0.001

 

Hatch stage × age

10.773

0.026

 

Nest temperature × age

4.211

0.083

Corticosterone

Hatch stage

7.770

0.063

 

Age

7.746

0.074

 

Nest temperature

8.001

0.001

 

Hatch stage × age

7.808

0.048

 

Nest temperature × age

1.147

0.361