1
Meansof6replicatepensof5birdseach.
2
PC: Positive control, adequate Ca and available P (1% Ca and 0.45% available P).
3
NC: Negative control, low Ca and available P (0.8% Ca and 0.25% available P).
4
Provided 500 U/kg of diet.
a–b
Means with different superscripts within a column differ significantly (
P
<
0.05)