Table 7.

Ileal P digestibility and excreta P retention values for chicks in Experiment 2¹.

Dietary treatment	Ileal P digestibility (%)	Excreta P retention (%)
1. 18% soybean meal	74d,e	49d
2. 36% soybean meal	85b,c	63c
3. 54% soybean meal	84c	61c
4. 7% spray dried plasma protein	80c,d	74b
5. 14% spray dried plasma protein	94a,b	93a
6. 21% spray dried plasma protein	94a	90a
7. 2% meat and bone meal	79c,d	35e
8. 4% meat and bone meal	66e,f	39e
9. 6% meat and bone meal	66e	32e
10. 0% meat and bone meal	83c,d	64c
11. 2% meat and bone meal	65f	64c
12. 4% meat and bone meal	60f	59c
Pooled SEM	3.2	2.6

^a-f Means within a column with no common superscript differ significantly (P < 0.05).

¹Values are means of 5 pens of 5 chicks at 21 D of age.