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Table 1 Mechanical property parameters of eggshell in LS and HS1

From: The differences of gonadal hormones and uterine transcriptome during shell calcification of hens laying hard or weak-shelled eggs

Parameters

LS

HS

Breaking strength, N

26.68 ± 0.38

44.57 ± 0.91*

Eggshell thickness, mm

0.359 ± 0.003

0.391 ± 0.003*

Egg shape index

1.29 ± 0.006

1.28 ± 0.006

Shell ratio, %

9.43 ± 0.001

10.25 ± 0.001*

Mammillary thickness, μm

99.09 ± 3.57

60.00 ± 1.63*

Mammillary knob width, μm

83.23 ± 4.20

56.82 ± 2.56*

Effective thickness, μm

239.09 ± 8.14

288.64 ± 5.06*

Mammillary layer ratio, %

29.41 ± 1.15

17.21 ± 0.35*

Effective layer ratio, %

70.59 ± 1.15

82.79 ± 0.35*

  1. 1Results are reported as the mean ± SEM
  2. *Means within a row significantly differ compared to the LS (P < 0.05)
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BMC Genomics

ISSN: 1471-2164

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