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Table 1 Data description

From: Heterogeneity of variance components for preweaning growth in Romane sheep due to the number of lambs reared

  N Mean (std)
of number of records1
Lambs 29,612  
Single-reared lambs 5,479  
Twin-reared lambs 24,133  
Animals in the pedigree 33,304 -
Dam with records   
all 6,379 4.6 (3.2)
rearing single lambs 3,815 1.5 (0.9)
rearing twins 5,811 4.4 (3.0)
Sires of lambs with records   
all 683 33.2 (21.5)
Single-reared 640 6.1 (4.9)
Twin-reared 681 29.5 (19.2)
Maternal grand sires of lambs with records   
all 723 43.0 (32.1)
Single-reared 675 8.6 (7.3)
Twin-reared 711 35.5 (26.3)
Litters 18,269 1.6 (0.49)
  1. 1mean and standard deviation of number of ADG records per animal. For instance, the mean total number of lambs weighted per females rearing single is 1.5.