Table 3 Effect of dietary protein on growth performance¹

Daily feed intake (kg/d)

LP²

1.12 ± 0.01^a

1.80 ± 0.06^b

2.27 ± 0.08^c

HP³

1.13 ± 0.04^A

1.82 ± 0.02^B

2.24 ± 0.02^C

Daily gain (g/d)

LP

392.11 ± 25.02^a

500.56 ± 24.98^b

461.49 ± 22.52^c

HP

470.62 ± 23.68* ^A

583.65 ± 31.87* ^B

521.71 ± 29.14* ^C

Gain:feed ratio

LP

0.35 ± 0.01^a

0.28 ± 0.01^ab

0.20 ± 0.01^b

HP

0.42 ± 0.01* ^A

0.34 ± 0.01* ^AB

0.24 ± 0.01^B