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Table 3 Effect of nonphytate phosphorus levels on productivity of laying hens from 30 to 41 wk of age 1

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

Nonphytate phosphorus, % Egg production, % Egg weight, g Feed/egg ratio Feed intake, g Hen-day egg production, g Broken egg, % Mortality, %
0.20 87.25 51.33b 2.10 91.45b 44.81b 0.26 0.012
0.25 90.95 51.72ab 2.10 96.37a 46.74ab 0.16 0.049
0.30 90.44 52.67a 2.11 97.06a 47.63a 0.18 0.049
0.35 88.03 52.67a 2.14 95.63a 46.40ab 0.16 0.012
0.40 88.77 51.62ab 2.13 94.5a 45.29b 0.18 0.037
SEM 0.49 0.18 0.01 0.53 0.34 0.03 0.010
P-value 0.075 0.037 0.887 0.002 0.035 0.823 0.608
Linear 0.893 0.210 0.335 0.092 0.773 0.892 0.446
Quadratic 0.045 0.010 0.975 0.000 0.002 0.987 0.364
  1. a, bWithin comparisons, means in a column with no common superscripts differ significantly (P < 0.05).
  2. 1Nine replications per treatment, three cages per replication, three hens per cage.