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Table 1 Summary of the three Yorkshire populations, numbers of genotyped animals, and estimates of heritability (\({\text{h}}^{2}\))

From: Using imputation-based whole-genome sequencing data to improve the accuracy of genomic prediction for combined populations in pigs

Populationa (number of animals in the pedigree) Origin Trait N-obs Birth year Genotyped animals \({\text{h}}^{2}\) (SE)
LM (72,998) USA NBA 5907/19,660 2004–2016 1641 0.08 (0.01)
TNB 5907/19,660 1641 0.09 (0.01)
AGE 28,827 2007–2016 1769 0.38 (0.02)
BFT 28,827 1769 0.36 (0.02)
XD (51,964) UK NBA 4842/18,369 2004–2015 762 0.07 (0.01)
TNB 4842/18,369 762 0.07 (0.01)
ZX (16,914) USA AGE 6721 2012–2016 320 0.19 (0.03)
BFT 6721 320 0.24 (0.03)
  1. NBA number of piglets born alive, TNB total number of piglets born, AGE days to 100 kg, BFT backfat thickness, N-obs number of individuals/observations
  2. aYorkshire populations from three Chinese pig breeding farms