Characteristics

Phenotypes

White

Spotted White

Grey

Brown

Mean

Weight (g)

10.54 ± 0.45^a

10.40 ± 0.61^a

10.29 ± 0.50^a

10.46 ± 0.38^a

10.42 ± 0.48

Height (mm)

31.86 ± 0.63^a

31.73 ± 0.86^a

31.74 ± 0.84^a

31.52 ± 0.61^a

31.71 ± 0.72

Diameter (mm)

24.92 ± 0.88^a

24.71 ± 0.32^a

24.57 ± 0.39^a

24.81 ± 0.25^a

24.75 ± 0.53

Shape index

0.78 ± 0.02^a

0.78 ± 0.02^a

0.78 ± 0.02^a

0.79 ± 0.02^a

0.78 ± 0.02

Volume (ml)

12.60 ± 0.77^b

11.60 ± 1.5^ab

10.90 ± 1.2^a

11.25 ± 1.6^a

11.59 ± 1.44

Internal characteristics

Albumen Diameter (mm)

16.16 ± 3.48^a

20.77 ± 3.6^b

17.84 ± 3.0^ab

17.05 ± 3.8^a

17.95 ± 3.80

Albumen height (mm)

3.02 ± 0.65^a

3.25 ± 1.05^ab

4.25 ± 0.72^c

3.88 ± 0.74^bc

3.60 ± 0.92

Yolk diameter (mm)

22.50 ± 1.83^a

24.58 ± 1.4^b

25.47 ± 0.9^b

25.24 ± 2.1^b

24.45 ± 1.96

Yolk Height (mm)

10.20 ± 1.83^a

10.19 ± 1.4^a

10.45 ± 0.9^a

10.12 ± 2.1^a

10.24 ± 1.96

Haugh Unit (%)

80.50 ± 5.09^a

81.95 ± 6.9^ab

88.27 ± 3.9^c

86.17 ± 4.6^bc

84.22 ± 5.99

Weight and percentage of egg components

Yolk weight (g)

3.39 ± 0.56^a

3.48 ± 0.35^ab

3.70 ± 0.29^ab

3.89 ± 0.51^b

3.66 ± 0.47

Shell weight (g)

0.84 ± 0.03^bc

0.88 ± 0.05^c

0.76 ± 0.06^a

0.80 ± 0.06^ab

0.82 ± 0.07

Albumen weight (g)

7.09 ± 0.68^b

6.76 ± 0.5^b

6.78 ± 0.40^b

5.68 ± 2.07^a

6.58 ± 1.22

Yolk proportion (g)

29.88 ± 3.51^a

31.26 ± 1.5^ab

32.89 ± 1.2^bc

35.03 ± 3.4^c

32.27 ± 3.20

Albumen proportion (g)

62.64 ± 3.45^b

60.86 ± 1.6^b

60.38 ± 1.1^b

57.79 ± 3.4^a

60.41 ± 3.09

Shell characteristics

Shell proportion (mm)

7.47 ± 0.51^b

7.92 ± 0.46^c

6.73 ± 0.45^a

7.18 ± 0.40^b

7.33 ± 0.62

Large end shell thickness (mm)

0.29 ± 0.06^b

0.21 ± 0.02^a

0.23 ± 0.06^a

0.22 ± 0.03^a

0.24 ± 0.05

Medium end shell thickness (mm)

0.17 ± 0.01^a

0.20 ± 0.03^b

0.21 ± 0.03^b

0.20 ± 0.02^b

0.19 ± 0.03

Small end shell thickness (mm)

0.26 ± 0.04^b

0.21 ± 0.01^a

0.22 ± 0.04^a

0.24 ± 0.05^ab

0.23 ± 0.04

Average shell thickness (mm)

0.24 ± 0.02^b

0.21 ± 0.01^a

0.22 ± 0.04^ab

0.22 ± 0.02^ab

0.22 ± 0.03

Water and edible matter content

Albumen dry matter content (%)

10.15 ± 0.24^a

10.22 ± 0.17^a

10.18 ± 0.41^a

9.85 ± 0.18^a

10.10 ± 0.28

Yolk dry matter content (%)

49.07 ± 0.23^a

50.24 ± 0.57^ab

50.51 ± 0.94^ab

50.76 ± 1.11^b

50.15 ± 0.95

Albumen moisture content (%)

89.85 ± 0.24^a

89.77 ± 0.17^a

89.82 ± 0.41^a

90.15 ± 0.18^a

89.90 ± 0.28

Yolk moisture content (%)

50.92 ± 0.23^b

49.76 ± 0.57^ab

49.48 ± 0.94^ab

49.24 ± 1.11^a

49.85 ± 1.11

Edible matter content (%)

92.52 ± 0.51^b

92.08 ± 0.46^a

93.27 ± 0.45^c

92.81 ± 0.40^b

92.67 ± 0.62