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. 2020 Jan 24;99(3):1768–1776. doi: 10.1016/j.psj.2019.11.023

Table 2.

Percentage of eggs with blood spots, meat spots, and shell cracks.

Egg defects Genotype/breed1
Significance
Hybrid Amarela Branca Pedrês Preta Chi-square P(F)
Blood spots 12.50 15.63 8.20 20.90 23.88 6.270 0.099
Meat spots 4.17 18.75 22.95 23.88 31.34 2.943 0.401
Shell cracks 0.00 1.54 6.78 0.00 1.49 7.130 0.068
1

Eggs from commercial hybrid genotype (n = 24) and Amarela (n = 67), Branca (n = 67), Pedrês Portuguesa (n = 61), and Preta Lusitânica (n = 67) breeds.