Table 7.
Corn-expressed phytase | Commercial phytase | |||||||
---|---|---|---|---|---|---|---|---|
Item | PC | NC | 500 FTU | 1,000 FTU | 500 FTU | 1,000 FTU | Pooled SEM | P-value |
Initial BW, kg | 11.26 | 11.28 | 11.21 | 11.18 | 11.04 | 11.23 | 0.33 | 0.996 |
Final BW, kg | 32.26a | 27.17b | 27.87b | 29.81ab | 30.01ab | 29.53ab | 1.42 | 0.002 |
ADG, g/d | 749a | 564c | 596bc | 650abc | 685ab | 654ab | 48 | 0.001 |
ADFI, g/d | 1,254 | 1,201 | 1,085 | 1,257 | 1,309 | 1,185 | 61 | 0.151 |
G:F | 0.60a | 0.47b | 0.56a | 0.52ab | 0.53ab | 0.55ab | 0.04 | 0.001 |
a–cMeans within a row without a common superscript are different (P < 0.05).
1FTU = phytase units.
2Corn-expressed phytase (GraINzyme; Agrivida, Inc., Woburn, MA).
3Commercial phytase (AxtraPhy; Danisco Animal Nutrition-DuPont Industrial Biosciences, Waukesha, WI).
4Data are means of 8 observations per treatment.