an increasing trendp < 0.01
The defective eggs with rough shell ( Figure 4 a) showed an increasing trend according to the age for the four groups, with the most significant ( p < 0.01) differences between purebreds and hybrids.
The defective eggs with rough shell ( Figure 4 a) showed an increasing trend according to the age for the four groups, with the most significant ( p < 0.01) differences between purebreds and hybrids.