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 |
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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 |