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Table 2 Properties of models selected according to the ΔAICC ≤ 2 criterion in two modelling approaches to estimate inbreeding depression for survival rate of Pannon White kits at birth in three time periods

From: Inbreeding depression for kit survival at birth in a rabbit population under long-term selection

Model components

Period

Dec 1992 to Aug 1997

Sept 1997 to Oct 2007

Nov 2007 to Nov 2017

AICC

Weight

ΔAICc

AICC

Weight

ΔAICc

AICC

Weight

ΔAICc

Ballou-Boakes modelling approach

 Parity + season + animal

x

x

x

22,428.8

0.29

0.0

12,098.1

0.33

0.0

 Parity + season + z.FL + animal

9684.8

0.49

0.0

22,430.0

0.16

1.2

12,098.1

0.33

0.0

 Parity + season + z.FD + animal

x

x

x

22,428.9

0.28

0.1

X

x

x

 Parity + season + z.FA-BL + animal

x

x

x

22,430.6

0.1

1.7

X

x

x

 Parity + season + z.FL + z.FD + animal

9686.7

0.19

1.9

22,430.0

0.16

1.2

12,100.1

0.1

2.0

 Parity + season + z.FL + z.FA-BL + animal

9685.7

0.31

0.9

x

x

x

12,098.9

0.22

0.8

Kalinowski modelling approach

 Parity + season + animal

x

x

x

22,428.8

0.23

0.0

12,098.1

0.32

0.0

 Parity + season + z.FNEWL + animal

x

x

x

22,430.3

0.11

1.5

12,098.6

0.26

0.5

 Parity + season + z.FNEWD + animal

x

x

x

22,429.2

0.19

0.4

12,100.1

0.12

1.9

 Parity + season + z.FA-KL + animal

x

x

x

22,429.1

0.20

0.3

12,098.2

0.30

0.1

 Parity + season + z.FNEWL + z.FNEWD + animal

x

x

x

22,430.8

0.09

2.0

x

x

x

 Parity + season + z.FNEWL + z.FA-KL + animal

9680.0

0.73

0.0

x

x

x

x

x

x

 Parity + season + z.FNEWD + z.FA-KL + animal

x

x

x

22,429.2

0.19

0.4

x

x

x

 Parity + season + z.FNEWL + z.FNEWD + z.FA-KL + animal

9682.0

0.27

2.0

x

x

x

x

x

x

  1. ΔAICc reflects the difference among selected models, values for the best model are indicated in italics
  2. Parity parity order of kindling, season: season of kindling, z.FL: effect of the standardised inbreeding coefficient of the litter, z.FA-BL: standardised ancestral inbreeding coefficient of the litter, z.FNEWL: standardised new inbreeding coefficient of the litter, z.FNEWD: standardised new inbreeding coefficient of dams, z.FA-KL: standardised Kalinowski (ancestral) inbreeding coefficient of the litter