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Table 4 Cross-validation strategy for crossbred performance of Landrace (LR)

From: Genomic evaluation for a three-way crossbreeding system considering breed-of-origin of alleles

Groups

Training

Validation

LR

CB

LR

CB

CB-extra*

ADG

1

1584

1564

748

111

456

2

1825

1523

507

152

465

3

1762

1531

570

144

456

4

1825

407

507

1268

471

BF

1

2829

1565

775

111

463

2

2492

1523

1112

153

472

3

3002

1532

602

144

463

4

2489

408

1115

1268

478

LD

1

1631

1570

754

111

463

2

1891

1528

494

153

472

3

1823

1537

562

144

463

4

1810

408

575

1273

478

  1. Numbers of individuals for Landrace (LR), three-way crossbred (CB), and extra three-way crossbred pigs (CB-extra) in the training and validation sets per trait, i.e. average daily gain (ADG), back fat thickness (BF), and loin depth (LD)
  2. * Three-way crossbred pigs with only phenotypic information, no genotyped