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Table 3 Differences in bone mineral measurements of the hens laying eggs with different eggshell breaking strengtha

From: Decreased eggshell strength caused by impairment of uterine calcium transport coincide with higher bone minerals and quality in aged laying hens

Items

HBS

LBS

P-value

Humerus

 Distal BMD, g/cm2

2.83 ± 0.18

2.96 ± 0.20

0.096

 Midshaft BMD, g/cm2

2.89 ± 0.22

3.14 ± 0.30

0.028

 Proximal BMD, g/cm2

2.68 ± 0.22

2.99 ± 0.22

0.002

 Distal BMC, g

2.57 ± 0.14

2.62 ± 0.17

0.436

 Midshaft BMC, g

1.66 ± 0.19

1.73 ± 0.19

0.366

 Proximal BMC, g

2.35 ± 0.20

2.59 ± 0.18

0.005

Femur

 Distal BMD, g/cm2

2.75 ± 0.21

2.86 ± 0.19

0.218

 Midshaft BMD, g/cm2

3.04 ± 0.26

3.04 ± 0.35

0.959

 Proximal BMD, g/cm2

2.78 ± 0.26

2.80 ± 0.19

0.876

 Distal BMC, g

2.50 ± 0.18

2.55 ± 0.17

0.551

 Midshaft BMC, g

1.74 ± 0.14

1.68 ± 0.20

0.354

 Proximal BMC, g

2.44 ± 0.22

2.41 ± 0.18

0.732

  1. HBS High eggshell breaking strength group, LBS Low eggshell breaking strength group, BMD Bone mineral density, BMC Bone mineral content
  2. aData represent means with standard deviation based on 12 replicates with 1 bird each
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891