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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