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Table 4 Effects of different dietary supplements on the egg quality

From: Fermented Astragalus in diet improved laying performance, egg quality, antioxidant and immunological status and intestinal microbiota in laying hens

Parameters

Control

Astragalus

L. plantarum

Fermented Astragalus

P-value

SEM

14 days

 ESI

1.29 ± 0.02

1.29 ± 0.03

1.29 ± 0.03

1.29 ± 0.03

0.961

0.012

 ESS (kg/N)

3.59 ± 0.41

4.04 ± 0.33

3.87 ± 0.32

3.90 ± 0.40

0.302

0.164

 EST (mm)

0.344 ± 0.013

0.344 ± 0.011

0.346 ± 0.008

0.348 ± 0.008

0.927

0.005

 AH (mm)

8.74 ± 0.43ab

8.74 ± 0.63ab

8.47 ± 0.51a

9.21 ± 0.33b

0.162

0.219

 YC

5.15 ± 0.32

5.00 ± 0.28

5.44 ± 0.21

5.32 ± 0.40

0.160

0.139

 HU

92.84 ± 1.90

92.16 ± 3.42

92.10 ± 2.82

94.75 ± 1.61

0.183

1.138

 YW

15.75 ± 0.37

15.47 ± 0.32

15.60 ± 0.22

15.27 ± 0.73

0.417

0.202

28 days

 ESI

1.28 ± 0.02

1.28 ± 0.01

1.29 ± 0.01

1.29 ± 0.03

0.452

0.008

 ESS (kg/N)

4.31 ± 0.37

4.34 ± 0.60

4.20 ± 0.16

4.54 ± 0.41

0.625

0.185

 EST (mm)

0.375 ± 0.014

0.392 ± 0.020

0.389 ± 0.013

0.387 ± 0.018

0.396

0.007

 AH (mm)

8.80 ± 0.40

8.92 ± 0.43

8.85 ± 0.24

9.08 ± 0.44

0.676

0.173

 YC

5.59 ± 0.39

5.55 ± 0.47

5.22 ± 0.12

5.44 ± 0.45

0.435

0.170

 HU

92.57 ± 2.19

92.80 ± 2.42

92.74 ± 1.03

93.80 ± 2.07

0.763

0.895

 YW

15.40 ± 0.39

15.50 ± 0.59

15.78 ± 0.38

15.76 ± 0.58

0.556

0.222

  1. ESI egg shape index, ESS eggshell strength, EST eggshell thickness, AH albumen height, HU haugh unit, YC yolk color, YW yolk weight