Egg shell color

Egg weight (g)

Specific gravity

Haugh unit score

Shell thickness (mm)

Yolk color score

White

59.7b

1.078a

63.39a

0.471b

9.81a

Brown

61.2a

1.077a

63.26a

0.510a

10.23a

SEM1

0.451

0.008

0.130

0.0067

0.157

Collection date

Summer season

17-06-2015

59.42ab

1.076d

61.43b

0.44b

9.16d

1-07-2015

59.86b

1.078a

60.00c

0.45ab

10.48bc

15-07-2015

59.35ab

1.075de

54.01c

0.46b

10.08c

29-07-2015

59.74ab

1.074dec

61.21b

0.47ab

8.32d

12-08-2015

59.34ab

1.077d

53.80c

0.46b

10.17d

26-08-2015

59.75b

1.077a

60.30c

0.44ab

9.48bc

9-9-2015

59.34ab

1.076de

61.33b

0.47b

10.12c

23-09-2015

59.75ab

1.075dec

62.10b

0.47ab

9.32d

Autumn/winter seasons

7-10-2015

61.73a

1.082a

68.38a

0.54a

11.13ab

21-10-2015

61.98a

1.081abc

70.52a

0.54a

11.85a

4-11-2015

60.64ab

1.082ab

69.72a

0.55a

11.42a

18-11-2015

61.90a

1.080abc

63.00b

0.50ab

7.28e

2-12-2015

61.83a

1.082a

68.38a

0.54a

11.13ab

16-12-2015

61.98a

1.082abc

69.82a

0.55a

11.75a

30-12-2015

61.74ab

1.081ab

70.32a

0.54a

11.32a

13-01-2016

61.80a

1.080abc

64.01b

0.51ab

9.45e

SEM1

0.907214

0.001175

2.576679

0.103861

0.293011

P > F

Egg shell color

0.0145

0.8617

0.8076

0.003

0.012

Collection date

0.0167

0.0021

0.0027

0.002

0.0001

ESC × CD

0.3229

0.2869

0.1741

0.1986

0.2271