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Table 5 Effects of nonphytate phosphorus levels on egg quality of laying hens fed at 41 wk of age

From: Effect of dietary nonphytate phosphorus on laying performance and small intestinal epithelial phosphate transporter expression in Dwarf pink-shell laying hens

Nonphytate phosphorus, % Albumen height, mm Egg shape index Yolk color Shell color Haugh units
0.20 6.57 1.337 7.92 7.91 81.67
0.25 6.59 1.337 8.24 8.24 80.73
0.30 6.93 1.341 8.31 8.31 86.04
0.35 6.82 1.345 8.58 8.58 84.24
0.40 6.99 1.344 8.68 8.68 85.28
SEM 0.11 0.003 0.06 0.06 0.59
P-value 0.659 0.703 0.058 0.352 0.759
Linear 0.180 0.807 0.008 0.074 0.246
Quadratic 0.816 0.615 0.291 0.922 0.962