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Table 2 Variance components estimated with model 1 for carcass weight

From: Effects of single nucleotide polymorphism marker density on degree of genetic variance explained and genomic evaluation for carcass traits in Japanese Black beef cattle

No. of SNPs selected

σ e 2 k g 2 * 1

σ g 2 k g 2 * 1

σ p 2 k g 2 * 1

σ g 2 / σ p 2

100

1798.9 (193.8) ± 90.7

289.9 (26.4) ± 78.1

2088.8 (103.2) ± 112.9

0.14 ± 0.03

200

1737.7 (187.2) ± 91.1

322.4 (29.4) ± 76.1

2060.0 (101.8) ± 107.7

0.16 ± 0.03

500

1447.0 (155.9) ± 86.0

586.8 (53.5) ± 102.5

2033.7 (100.5) ± 109.3

0.29 ± 0.04

1,000

1290.3 (139.0) ± 90.1

745.1 (68.0) ± 121.9

2035.4 (100.5) ± 111.3

0.36 ± 0.05

2,000

1168.5 (125.9) ± 96.6

844.9 (77.1) ± 135.8

2013.4 (99.5) ± 110.6

0.42 ± 0.05

4,000

1025.2 (110.5) ± 107.7

1008.6 (92.0) ± 160.7

2033.8 (100.5) ± 114.7

0.49 ± 0.06

6,000

1028.9 (110.9) ± 107.5

980.0 (89.4) ± 155.5

2009.0 (99.2) ± 111.2

0.49 ± 0.06

8,000

992.1 (106.9) ± 113.0

1032.1 (94.1) ± 165.5

2024.2 (100.0) ± 113.3

0.51 ± 0.06

10,000

956.4 (103.1) ± 112.5

1065.1 (97.2) ± 166.7

2021.5 (99.9) ± 113.5

0.53 ± 0.06

20,000

895.6 (96.5) ± 117.1

1137.0 (103.7) ± 176.7

2032.6 (100.4) ± 115.5

0.56 ± 0.07

30,000

915.8 (98.7) ± 117.2

1112.6 (101.5) ± 174.2

2028.5 (100.2) ± 114.3

0.55 ± 0.07

38,502

928.1 (100) ± 117.6

1096.3 (100) ± 173.5

2024.4 (100) ±113.7

0.54 ± 0.07

Imp1*2

867.2 (93.4) ± 119.7

1166.6 (106.4) ± 180.3

2033.8 (100.5) ± 115.6

0.57 ± 0.07

Imp2*2

931.1 (100.3) ± 118.0

1093.9 (99.8) ± 173.5

2025.0 (100.0) ± 113.7

0.54 ± 0.07

  1. *1Values in parentheses represent the percentage relative to the estimate obtained with model 1 incorporating the G matrix constructed using all available SNPs.
  2. *2Imp1 and imp2: 38,502 SNP genotypes imputed from 4,000 and 10,000 SNPs, respectively.