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Table 1 Means (SD) for each ejaculate (ejaculate volume (VE), progressive sperm motility (SM), sperm concentration (SC), number of sperm (NSP), and number of progressive motile sperm (NMSP) among 11 AI centers using GLM in SAS

From: Estimation of the genetic parameters for semen traits in Chinese Holstein bulls

AI station

VE

SM

SC

NSP

NMSP

1

9.68 ± 4.32

0.72 ± 0.09

11.30 ± 3.93

107.10 ± 52.91

77.72 ± 40.29

2

5.63 ± 2.44

0.61 ± 0.15

8.68 ± 5.19

50.08 ± 40.99

31.13 ± 27.01

3

5.52 ± 2.16

0.43 ± 0.15

10.41 ± 3.56

58.11 ± 30.94

25.83 ± 16.80

4

8.34 ± 2.76

0.82 ± 0.06

13.81 ± 4.62

112.92 ± 47.17

92.81 ± 39.23

5

4.68 ± 2.55

0.69 ± 0.16

9.01 ± 4.61

42.73 ± 33.32

30.77 ± 24.21

6

7.89 ± 2.16

0.65 ± 0.05

13.07 ± 4.01

103.76 ± 42.98

68.00 ± 29.43

7

6.94 g ± 2.27

0.68 ± 0.10

11.64 ± 4.01

80.57 ± 37.54

55.24 ± 27.22

8

6.89 g ± 2.33

0.55 ± 0.18

11.49 ± 3.62

78.68 ± 34.64

45.26 ± 26.71

9

5.71 ± 2.10

0.63 ± 0.07

9.23 ± 3.50

52.44 ± 27.57

33.33 ± 17.87

10

5.71 ± 2.24

0.57 ± 0.17

10.26 ± 5.31

58.56 ± 37.97

35.53 ± 24.96

11

8.17 ± 2.95

0.85 ± 0.06

15.11i ± 4.53

124.80 ± 60.52

107.04 ± 52.23

Average

7.22 ± 3.41

0.67 ± 0.17

11.37 ± 4.74

83.52 ± 52.31

59.21 ± 43.45