Egg quality parameters

Genotypes

SEM

P-values

GF

HR

TL

PK

Average fresh egg weight (g)

35.9c

43.5b

42.3b

46.4a

0.55

<0.0001

Egg length (mm)

47.0b

50.2a

51.3a

51.5a

0.59

0.0022

Egg width (mm)

36.1b

38.2a

38.6a

39.5a

0.39

0.0019

Egg shape index

76.8

76.0

75.3

76.7

1.01

0.7362

Egg shell weight (g)

6.57a

5.55b

5.47b

5.85b

0.190

0.0159

Egg shell proportion (%)

18.3a

12.8b

12.9b

12.6b

0.71

0.0021

Egg shell thickness (mm)

0.73a

0.37b

0.36b

0.42b

0.050

0.0062

Albumen weight (g)

18.5c

24.5b

24.2b

27.4a

0.40

<0.0001

Albumen proportion (%)

51.5c

56.4b

57.2b

59.1a

0.38

<0.0001

Albumen height (mm)

4.78

5.30

4.84

4.92

0.140

0.1293

Haugh unit

77.2

77.9

76.1

74.3

0.95

0.1106

Egg yolk weight (g)

11.0b

13.4a

12.7a

13.2a

0.33

0.0042

Egg yolk proportion (%)

30.6

30.9

29.8

28.9

0.64

0.0929

Egg yolk height (mm)

13.4b

14.8a

13.8b

15.3a

0.20

0.0007

Egg yolk diameter (mm)

42.2

34.1

32.6

33.5

0.46

0.0753

Egg yolk index

41.48

43.33

42.48

45.66

1.09

0.1211

Yolk color (EMT-5200)

4.66

4.58

4.62

4.65

0.130

0.9695

Yolk:Albumen ratio

0.59a

0.55b

0.52bc

0.48c

0.010

0.0023