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Table 1 Variances ± standard errors for protein yield from the factor analysis fitting 9 factors and from the PC analysis fitting 19 PC

From: Principal component and factor analytic models in international sire evaluation

Country

Number of bulls

FA9

PC19

  

Common

Country specific

Combined

 

Canada

7 028

113.2 ± 2.2

8.5 ± 1.2

121.7 ± 1.9

121.3 ± 1.9

Germany

16 734

66.2 ± 1.3

6.0 ± 1.0

72.2 ± 0.8

72.2 ± 0.8

Denmark-Finland-Sweden

8 900

61.9 ± 1.1

4.1 ± 0.7

66.0 ± 1.0

66.0 ± 1.0

France

11 127

76.9 ± 1.5

7.4 ± 1.0

84.3 ± 1.2

84.4 ± 1.2

Italy

6 322

81.6 ± 1.8

4.5 ± 1.1

86.1 ± 1.4

86.1 ± 1.4

The Netherlands

9 696

73.4 ± 1.4

5.6 ± 0.9

79.0 ± 1.1

78.9 ± 1.1

USA

23 380

315.3 ± 4.6

15.9 ± 3.1

331.2 ± 3.4

331.1 ± 3.4

Switzerland

715

51.3 ± 2.0

0.0 ± 0.0

51.3 ± 2.0

51.9 ± 2.0

Great Britain

4 361

54.9 ± 1.1

0.0 ± 0.0

54.9 ± 1.1

54.9 ± 1.1

New-Zealand

4 253

21.6 ± 0.5

0.0 ± 0.0

21.6 ± 0.5

21.6 ± 0.5

Australia

4 950

20.6 ± 0.8

4.9 ± 0.6

25.5 ± 0.6

25.6 ± 0.6

Belgium

634

38.2 ± 2.1

4.7 ± 0.9

42.9 ± 2.0

43.0 ± 2.0

Ireland

1 260

19.5 ± 0.9

1.4 ± 0.5

20.9 ± 0.7

20.9 ± 0.7

Spain

1 499

50.0 ± 1.5

3.0 ± 0.5

53.0 ± 1.4

52.8 ± 1.4

Czech Republic

2 036

80.3 ± 2.8

0.0 ± 0.0

80.3 ± 2.8

80.1 ± 2.8

Slovenia

196

7.9 ± 0.8

0.0 ± 0.0

7.9 ± 0.8

8.1 ± 0.9

Estonia

472

55.6 ± 4.3

5.0 ± 2.8

60.6 ± 3.5

61.1 ± 3.5

Israel

773

76.7 ± 4.1

0.0 ± 0.0

76.7 ± 4.1

76.1 ± 4.1

Swiss Red Holstein

1 162

46.8 ± 2.1

2.2 ± 1.1

49.0 ± 1.9

48.0 ± 1.8

French Red Holstein

145

76.9 ± 8.6

0.0 ± 0.0

76.9 ± 8.6

80.4 ± 9.1

Hungary

1 898

64.4 ± 2.4

8.6 ± 1.3

73.0 ± 2.2

72.9 ± 2.2

Poland

5 071

31.4 ± 2.0

0.6 ± 1.8

32.0 ± 0.8

32.0 ± 0.8

South Africa

920

38.3 ± 2.3

0.0 ± 0.0

38.3 ± 2.3

37.8 ± 2.2

Japan

3 177

63.8 ± 1.6

0.0 ± 0.0

63.8 ± 1.6

64.3 ± 1.6

Latvia

232

15.7 ± 3.2

7.0 ± 2.8

22.7 ± 2.3

23.1 ± 2.3