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Table 3 Mean and standard deviation for reproductive performance indicators for scenario 10-18 with a VWP of 79 days

From: Evaluation of two dairy herd reproductive performance indicators that are adjusted for voluntary waiting period

Scenario

 

CIa

CFIb

CLIc

FId

IC100e

NotIC-

200f

PV30g

IV30h

10

mean

387.9

75.6

97.7

57.5

0.35

0.28

0.40

0.70

 

Std

4.2

3.6

5.4

9.5

0.05

0.14

0.05

0.04

11

mean

395.9

76.4

110.5

32.4

0.27

0.39

0.31

0.71

 

Std

4.5

4

6.8

6.5

0.04

0.07

0.04

0.04

12

mean

404.3

75.8

119.6

20.5

0.21

0.44

0.25

0.71

 

Std

6.4

4.1

8.9

6.8

0.05

0.05

0.05

0.05

13

mean

397.8

86

108

64.0

0.25

0.42

0.29

0.53

 

Std

5

4.9

6.9

11.4

0.04

0.05

0.04

0.05

14

mean

410.5

88.5

121.4

39.7

0.17

0.47

0.21

0.52

 

Std

6.6

5

7.4

8.3

0.04

0.05

0.04

0.04

15

mean

412

86.6

128.9

28.1

0.15

0.54

0.18

0.53

 

Std

8

6.4

8.2

6.3

0.04

0.06

0.05

0.05

16

mean

414.9

94.1

110.9

86.5

0.15

0.50

0.18

0.34

 

Std

7.9

7.5

8.7

15.8

0.04

0.06

0.04

0.05

17

mean

420.0

94.9

120.8

59.6

0.10

0.61

0.13

0.35

 

Std

8.3

7

8.5

10.8

0.03

0.05

0.03

0.05

18

mean

422.0

94.9

123.6

52.6

0.09

0.67

0.11

0.35

 

Std

12.2

6.9

9.6

12.6

0.03

0.05

0.03

0.05

  1. aCI = Calving interval, days
  2. bCFI = Calving to first service interval, days
  3. cCLI = Calving to last service interval, days
  4. dFI = fertility index
  5. eIC100 = proportion of pregnant cows 100 days after calving
  6. fNotIC200 = proportion of non pregnant cows 200 days after calving
  7. gPV30 = proportion of pregnant cows 30 days after the herd VWP
  8. hIV30 = proportion of inseminated cows 30 days after the herd VWP