Source of variation

DF

a

b

c

s

Genetic group

3

12.53 ± 5.035^ns

0.032 ± 0.0152^*

0.005 ± 0.0030^**

6.00^**

Type of birth (ToB)

2

7.03 ± 0.187^***

0.125 ± 0.099^ns

0.231 ± 0.0024^**

5.43^**

Year of kidding (YoK)

9

6.442 ± 0.5516^*

0.318 ± 0.042^*

0.036 ± 0.098^**

8.94^ns

Month of kidding (MoK)

11

6.77 ± 1.007^*

0.340 ± 0.0242^**

0.111 ± 0.981^ns

3.05^*

Area of birth (AoB)

4

7.538 ± 0.233^ns

1.043 ± 1.992^ns

0.287 ± 1.03^ns

3.63^**

Parity

4

6.806 ± 0.940^**

0.15 ± 0.032^**

0.037 ± 0.010^**

3.79^**

Age at first service (AFS)

-

5.976 ± 0.4002^ns

0.385 ± 0.0151^*

0.049 ± 0.007^ns

7.89^ns