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Table 1 Number of animals and SNPs for the genome-wide association studies

From: Genome-wide associations and detection of potential candidate genes for direct genetic and maternal genetic effects influencing dairy cattle body weight at different ages

Trait Dependent variable #animalsa #animalsb #markersc #markersd
BW0 Phen 13,827 13,714 42,468 11,955
  dDRP 15,921 14,121 42,465 11,954
  mDRP 16,455 16,022 42,540  
BW23 Phen 4246 4219 42,388 11,908
  dDRP 15,921 8017 42,421 11,933
  mDRP 16,455 6803 42,498  
BW1314 Phen 7920 7874 42,443 11,943
  dDRP 15,921 7874 42,443 11,943
  mDRP 16,455 6996 42,503  
  1. BW0: body weight recorded at birth; BW23: body weight recorded at 2 to 3 months of age; BW1314: body weight recorded at 13 to 14 months of age; dDRP: de-regressed proofs for the direct genetic effect; mDRP: de-regressed proofs for the maternal genetic effect
  2. aNumber of cows with genotypes
  3. bNumber of cows with genotypes after quality control
  4. cNumber of markers after quality control
  5. dNumber of markers after pruning