Table 3. Fecal composition per feed intake (kg) of laying hens fed dietary phytase levels (n=10)

FTU/kg Composition (%) of dried feces Fecal excretion (g) of laying hens fed 1 kg diets
N P2O5 K2O Total feces Dried feces N P2O5 K2O
0 7.66 0.73 2.41 1,381.69 226.24a (100%) 17.36a (100%) 1.64a (100%) 5.46a (100%)
1,000 7.78 0.76 2.74 1,276.49 200.52b (88%) 15.59b (90%) 1.53ab (93%) 5.49a (101%)
2,000 7.53 0.78 2.58 1,329.35 163.91c (72%) 12.26c (71%) 1.28b (78%) 4.22b (77%)
SEM 0.15 0.02 0.10 28.25 5.88 0.53 0.06 0.26
P-value 0.81 0.56 0.46 0.33 <0.01 <0.01 0.03 0.05
Means within column with no common superscripts differ significantly (P<0.05). SEM: standard error of mean.