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Table 3 Reliabilities from a pedigree-based BLUP (PBLUP) model and different ssGBLUP models using different SNP sets for milk production traits

From: Weighted single-step genomic best linear unbiased prediction integrating variants selected from sequencing data by association and bioinformatics analyses

Trait

Population

Model

Pedigree

SNP

54K

54K + DFS

54K + FRA

54K + DFS + FRA

Milk

Genotyped

PBLUP

0.225

–

–

–

–

ssGBLUP

–

c0.595c

b0.633ab

b0.631b

a0.637a

ssFGBLUP

–

–

ab0.641a

ab0.630a

a0.637a

ssWGBLUP_bin1

–

a0.641a

ab0.645a

ab0.642a

a0.645a

ssWGBLUP_bin30

–

a0.640b

a0.648a

a0.644ab

a0.645ab

ssWGBLUP_bin100

–

b0.627b

ab0.641a

ab0.639a

a0.640a

Non-genotyped

PBLUP

0.200

–

–

–

–

ssGBLUP

–

b0.240b

b0.247a

a0.247a

a0.248a

ssFGBLUP

–

–

ab0.248a

a0.247a

a0.247a

ssWGBLUP_bin1

–

a0.249a

a0.250a

a0.250a

a0.250a

ssWGBLUP_bin30

–

a0.248a

ab0.249a

a0.249a

a0.249a

ssWGBLUP_bin100

–

a0.247b

ab0.249a

a0.248ab

a0.248ab

Fat

Genotyped

PBLUP

0.125

–

–

–

–

ssGBLUP

–

a0.391 cd

ab0.397ab

a0.391bd

a0.396ac

ssFGBLUP

–

–

a0.405a

a0.387b

a0.398a

ssWGBLUP_bin1

–

a0.383a

b0.387a

a0.382a

a0.386a

ssWGBLUP_bin30

–

a0.386b

ab0.398a

a0.390ab

a0.396ab

ssWGBLUP_bin100

–

a0.389a

ab0.386a

a0.385a

a0.384a

Non-genotyped

PBLUP

0.121

–

–

–

–

ssGBLUP

–

a0.191ab

ab0.192a

ab0.191b

ab0.192ab

ssFGBLUP

–

–

ab0.194a

b0.189c

ab0.191b

ssWGBLUP_bin1

–

a0.192b

a0.194a

a0.192b

a0.193ab

ssWGBLUP_bin30

–

a0.190b

a0.194a

a0.194a

a0.193a

ssWGBLUP_bin100

–

a0.192a

b0.190ab

b0.188c

b0.188bc

Protein

Genotyped

PBLUP

0.152

–

–

–

–

ssGBLUP

–

b0.428c

a0.447ab

a0.444b

a0.450a

ssFGBLUP

–

–

a0.457ab

a0.442b

a0.451a

ssWGBLUP_bin1

–

a0.449ab

a0.452a

a0.445b

a0.448ab

ssWGBLUP_bin30

–

ab0.445b

a0.455a

a0.447ab

a0.452ab

ssWGBLUP_bin100

–

ab0.437a

a0.443a

a0.442a

a0.442a

Non-genotyped

PBLUP

0.140

–

–

–

–

ssGBLUP

–

b0.188b

bc0.191a

bc0.190a

b0.191a

ssFGBLUP

–

–

bc0.192a

c0.188b

bc0.189b

ssWGBLUP_bin1

–

a0.197a

a0.197a

a0.194b

a0.194b

ssWGBLUP_bin30

–

b0.190a

b0.192a

ab0.192a

b0.191a

ssWGBLUP_bin100

–

b0.191a

c0.189a

c0.187b

c0.187b

  1. ssGBLUP models = a single-step genomic BLUP (ssGBLUP) model, a featured ssGBLUP (ssFGBLUP) model, and weighted ssGBLUP models with a region size of 1 (ssWGBLUP_bin1), 30 (ssWGBLUP_bin30), or 100 SNPs (ssWGBLUP_bin100)
  2. SNP sets = SNPs on the 54K-SNP chip (54K), SNPs on the 54K-SNP chip together with sequencing SNPs selected by Denmark-Finland-Sweden (54K + DFS), SNPs on the 54K-SNP chip together with sequencing SNPs selected by France (54K + FRA), and SNPs on the 54K-SNP chip together with both sets of selected sequencing SNPs (54K + DFS + FRA)
  3. a,b,csubscript letters to the left are for comparisons among models using the same SNP set, and superscript letters to the right are for comparisons among SNP sets using the same model. Reliabilities with no common letter differ significantly (P < 0.05)