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Table 2 Predicted breed proportions in pure breed sets

From: Genomic breed prediction in New Zealand sheep

  

Genomic selection

Regression

Breed

n

pRom

pCoop

pPere

pTex

pRom

pCoop

pPere

pTex

Romney

1496

0.985

0.007

0.003

0.002

0.996

-0.003

0.003

0.003

Coopworth

286

0.022

0.937

0.011

0.021

-0.030

0.979

0.013

0.035

Perendale

262

0.036

0.017

0.933

0.009

0.031

0.008

0.957

0.003

Texel

57

0.025

0.041

0.037

0.869

-0.026

0.049

0.036

0.938

Corriedale

42

0.084

0.403

0.212

0.145

-0.032

0.417

0.344

0.250

Poll Dorset

39

0.333

0.090

0.099

0.054

0.044

0.227

0.452

0.241

Suffolk

25

0.241

0.127

0.318

0.140

0.061

0.193

0.467

0.249

Finnish Landrace

12

0.123

0.167

0.217

0.134

0.003

0.160

0.504

0.294

Marshall Romney

10

0.709

0.110

0.116

0.015

0.530

0.160

0.223

0.076

Wiltshire

7

0.182

0.351

0.255

0.070

0.061

0.381

0.388

0.151

Southdown

6

0.281

0.075

0.355

0.111

0.083

0.148

0.505

0.236

Dorper White

6

0.237

0.079

0.292

0.107

0.024

0.135

0.545

0.242

Cheviot

4

-0.444

-0.033

1.389

0.046

-0.447

0.039

1.293

0.105

Finn x Texel

4

0.249

0.139

0.100

0.396

0.182

0.119

0.217

0.468

Dorset Down

4

0.234

0.122

0.343

0.104

0.075

0.151

0.510

0.232

South Suffolk

4

0.227

0.073

0.378

0.137

0.051

0.155

0.518

0.244

Primeraa

751

0.29

0.10

0.23

0.11

0.05

0.19

0.47

0.26

Highlandera

383

0.38

0.11

0.09

0.28

0.31

0.10

0.21

0.37

  1. Mean predicted proportions, using each of the methods studied, for Romney (pRom), Coopworth (pCoop), Perendale (pPere) and Texel (pTex) in animals that are purebred (recorded as 100% of a particular breed; breeds with at least four animals available shown) and not used in the genomic selection training set. Proportions where the breed being predicted is the same as the recorded breed are shown in bold.
  2. aThese animals were not recorded on SIL at the time of analysis, but belonged to flocks with these breed designations.