Skip to main content
. 2019 Jun 3;97(8):3390–3398. doi: 10.1093/jas/skz190

Table 7.

Growth performance for pigs fed the positive control diet (PC), the negative control diet (NC), or the NC diet supplemented with 500 or 1,000 FTU1/kg diets of the corn-expressed phytase2 or the commercial phytase3, Exp. 24

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.