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Table 3 Summary of subsets of genotyped pigs and conducted analyses after genotype quality control

From: Analysis of polygenic selection in purebred and crossbred pig genomes using generation proxy selection mapping

Subset

Populations

Pigs, n

SNPs, n

Analyses

Univariate VCE

Bivariate VCE

GWAS

1

Duroc

16,595

38,294

X

 

X

2

Landrace

15,457

45,085

X

 

X

3

Yorkshire

15,772

45,027

X

 

X

4

Crossbred

8447

46,529

X

 

X

5

Duroc and Landrace

32,066

45,999

X

X

X

6

Duroc and Yorkshire

32,387

46,106

X

X

X

7

Duroc and crossbred

25,053

46,341

X

X

X

8

Landrace and Yorkshire

31,240

46,253

X

X

X

9

Landrace and crossbred

23,905

46,440

X

X

X

10

Yorkshire and crossbred

24,230

46,449

X

X

X

11

Duroc, Landrace and Yorkshire

47,849

46,428

X

 

X

12

Duroc, Landrace, and crossbred

40,513

46,415

X

 

X

13

Duroc, Yorkshire, and crossbred

40,837

46,424

X

 

X

14

Landrace, Yorkshire, and crossbred

39,688

46,458

X

 

X

15

Duroc, Landrace, Yorkshire, and crossbred

56,296

46,456

X

 

X

  1. VCE variance component estimation, GWAS genome-wide association study; n = number