Skip to main content

Table 6 Reliabilities and standard deviations (SD) of TMI from methods MULTI and SI for scenarios 0 and 2 grouped by year and loss in selection response (SR) with SI compared to MULTI

From: A comparison of methods to calculate a total merit index using stochastic simulation

Sc.

Years

Reliabilities MULTI

Reliabilities SI

SD MULTI

SD SI

Loss in SR

  

Realized

Estimated

Realized

Estimated

Expected*

Estimated

Expected*

Estimated

With SI #

0

11-15

31.3

46.1

27.9

48.8

5.7

5.7

5.4

6.0

−3.2

 

16-20

32.1

45.9

28.8

48.6

5.7

5.9

5.4

6.1

−2.7

 

21-25

35.4

46.0

31.2

48.8

6.1

6.2

5.7

6.7

−3.8

 

26-30

42.0

45.7

38.0

48.3

6.9

7.2

6.6

7.9

−3.7

2

11-15

28.7

43.6

24.3

48.9

5.4

5.5

5.0

6.6

−4.6

 

16-20

27.6

43.4

23.0

48.7

5.2

5.3

4.8

6.4

−4.8

 

21-25

30.9

43.3

25.4

48.6

5.6

5.8

5.1

6.9

−5.2

 

26-30

36.7

43.0

32.0

48.4

6.3

6.6

5.9

8.0

−3.9

  1. Sc. = Scenario; *expected standard deviation of EBV, based on realised reliabilities, obtained from squared correlation of estimated with true breeding values, and the true genetic standard deviation within year; #percent loss in SR of SI compared to MULTI, with 100% being a SR with an accuracy of 1.