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Table 2 Age group description and their frequencies and score distribution for yearling (YT, < 2 years) and cow at weaning (CT) temperament datasets

From: Unraveling the phenotypic and genomic background of behavioral plasticity and temperament in North American Angus cattle

G

N

Age

Temperament scores (%)

Mean (SD)

1

2

3

4

5

6

< 2

269,248

375

70.12

23.47

5.57

0.72

0.10

0.03

1.37 (0.64)

3

47,839

760

56.00

35.53

7.49

0.73

0.22

0.03

1.54 (0.69)

4

33,579

1317

54.91

35.83

8.17

0.80

0.24

0.05

1.56 (0.71)

5

23,435

1682

53.71

36.48

8.60

0.85

0.32

0.04

1.58 (0.72)

6

16,817

2048

52.63

36.84

9.18

0.95

0.35

0.05

1.60 (0.73)

7

11,696

2414

51.84

37.59

8.90

1.15

0.46

0.07

1.61 (0.74)

8

8275

2778

50.10

39.70

8.65

1.11

0.37

0.06

1.62 (0.73)

9

5223

3144

49.21

39.71

9.78

1.00

0.31

0.00

1.63 (0.72)

10

3378

3511

47.51

39.93

10.89

1.01

0.56

0.09

1.67 (0.76)

> 10

3656

4128

46.17

41.52

10.94

1.04

0.33

0.00

1.68 (0.73)

  1. G: age group; N: number of records; Age: average age in days; Mean (SD): mean (standard deviation) of the scores