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Table 3 Contributions of the different breeds to genetic diversity according to different approaches

From: Genetic diversity of a large set of horse breeds raised in France assessed by microsatellite polymorphism

Breed code

Nb of breeding animals in 2005

Pr. extinction

Aggregate diversity and cryopreservation potential (Ollivier and Foulley, 2005)

Loss or gain of diversity when a breed is removed and contributions to optimal diversity (Caballero and Toro, 2002)

 

Males

Females

 

CW

CB

D

CP

ΔGD WS

ΔGD BS

ΔGD T

C i

AA

119

1443

0.11

0.35

0.85

0.39

0.10

-0.0013

-0.0018

-0.0031

0%

AR

480

2130

0.03

0.29

10.90

1.25

0.35

-0.0015

-0.0010

-0.0026

0%

ARD

187

1417

0.08

-0.48

1.33

-0.32

0.10

0.0031

0.0001

0.0032

0%

AUX

24

248

0.57

-0.19

3.14

0.11

1.79

0.0023

-0.0005

0.0018

0%

BOUL

58

540

0.24

-0.27

12.35

0.87

2.95

0.0040

-0.0023

0.0018

6%

BR

621

6380

0.02

-0.38

5.57

0.16

0.12

0.0016

0.0009

0.0024

0%

CAM

118

837

0.12

0.00

7.99

0.73

0.97

-0.0018

0.0013

-0.0006

0%

COBND

63

760

0.21

-0.06

2.42

0.16

0.52

-0.0017

0.0019

0.0002

2%

COMT

856

7073

0.02

-0.25

3.63

0.11

0.06

0.0000

0.0015

0.0015

0%

LAND

22

73

0.74

0.06

3.99

0.41

2.95

-0.0029

0.0016

-0.0014

2%

MER

93

1012

0.15

-0.04

10.41

0.91

1.53

0.0000

0.0001

0.0001

0%

PER

183

2461

0.07

-0.32

4.60

0.12

0.34

0.0006

0.0014

0.0020

0%

PFS

100

949

0.14

0.39

1.93

0.53

0.27

-0.0055

0.0024

-0.0031

70%

POIT

39

199

0.38

-0.43

12.60

0.75

4.83

0.0069

-0.0030

0.0039

0%

POT

94

910

0.15

0.19

1.33

0.29

0.20

-0.0040

0.0024

-0.0016

5%

PS

369

8049

0.04

0.50

6.17

1.02

0.22

-0.0001

-0.0041

-0.0042

1%

SF

474

11700

0.03

0.45

1.33

0.53

0.04

-0.0024

-0.0013

-0.0037

15%

TDN

16

183

0.85

-0.17

1.93

0.02

1.64

0.0032

-0.0009

0.0022

0%

TF

527

15950

0.02

0.36

7.51

1.01

0.18

-0.0002

-0.0029

-0.0032

0%

Sum

   

0

100

9.054

 

0

-0.043

0.043

100%

  1. CW = contribution to within-breed diversity; CB = contribution to between-breed diversity; D = aggregate diversity;CP = Cryopreservation potential; ΔGD WS = Loss or gain of gene diversity within populations when breed is removed; ΔGD BS = Loss or gain of gene diversity between populations when breed is removed; ΔGD T = Loss or gain of total diversity when the breed is removed; C i = contribution of the breed to optimise GD T