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Table 5 Values for plasma homocysteine concentration at 48 and 70 weeks of age, production data, radiographic density, mechanical and physicochemical bone properties measured at 70 weeks of age between CBS genotype Ost106225194/Ost112522587 (AA/AA vs. GG/GG) in Population 5

From: An eQTL in the cystathionine beta synthase gene is linked to osteoporosis in laying hens

  Trait AA/AA mean se GG/GG mean se P value df
Radiographic, mechanical, metabolite and production data
 Body weight Body weight (g) 1638 24 1603 24 0.291 1,64
 Egg traits Egg number 282.3 1.8 276.0 2.3 0.574 1,64
Egg breaking strength (48 wk of age) 40.1 0.9 40.4 1.3 0.508 1,61
 Plasma homocysteine Homocysteine 48 wk of age (µM/L) 18.64 0.55 16.68 0.64 0.024 1,52
Homocysteine 70 wk of age (µM/L) 19.13 0.46 17.18 0.63 0.016 1,64
Detailed morphometry and physicochemical analysis
 Bone type
  Whole tibia Breaking strength (N) 228.1 6.6 228.2 9.0 0.998 1,36
  Whole tibia Stiffness (Nm) 316,939 8456 322,940 9526 0.64 1,36
  Whole tibia Density (mm Al equiv/mm3) 1.60 0.01 1.61 0.01 0.412 1,36
% cortical bone 56.84 2.33 50.84 2.30 0.075 1,36
 Tibia cortical
  Tibia cortical Density (mmAl equiv/mm3) 0.018 0.001 0.022 0.001 0.024 1,36
  Tibia cortical MinCO3 1415 0.209 0.003 0.170 0.003 < 0.001 1,36
  Tibia cortical CI 1030/1020 0.584 0.004 0.633 0.007 < 0.001 1,36
  Tibia cortical PO4/Amide I 3.97 0.11 6.40 0.12 < 0.001 1,36
  Tibia cortical LNK 1660/1690 2.54 0.12 4.17 0.19 < 0.001 1,36
  Tibia cortical AngSpread 002 54.9 0.91 49.4 0.66 0.004 1,35
  Tibia cortical FWHM002 0.45 0.01 0.46 0.017 0.842 1,36
  Tibia medullary Density (mmAl equiv/mm3) 0.025 0.003 0.024 0.002 0.743 1,36
  Tibia medullary MinCO3 1415 0.18 0.03 0.16 0.02 0.576 1,36
  Tibia medullary CI 1030/1020 0.77 0.022 0.73 0.02 0.149 1,36
  Tibia medullary PO4/Amide I 1.17 0.09 1.25 0.10 0.585 1,36
  Tibia medullary LNK 1660/1690 3.20 0.09 3.20 0.07 0.998 1,36
  Tibia medullary FWHM002 0.58 0.03 0.56 0.02 0.425 1,35