Table 4.
Effect of zinc methionine complex in combination with zilpaterol hydrochloride on growth performance of calf-fed Holstein steers
| CONa | ZnMetb | SEMc | P value | |
|---|---|---|---|---|
| Start (wt, kg) | 482 | 481 | 3.54 | 0.837 |
| Final (wt, kg) | 618 | 615 | 4.81 | 0.634 |
| Pen start (wt, kg) | 52057 | 51974 | 382.63 | 0.838 |
| Pen final (wt, kg) | 65539 | 65425 | 1041.42 | 0.916 |
| Mortality, n | 3 | 1 | 0.88 | 0.309 |
| DOF | 114 | 114 | 0.45 | 0.602 |
| DMI (kg) | 8.38 | 8.40 | 0.04 | 0.666 |
| ADG (kg) | 1.14 | 1.16 | 0.04 | 0.750 |
| F:G | 7.61 | 7.34 | 0.33 | 0.465 |
| G:F | 0.13 | 0.13 | 0.01 | 0.638 |
aCON: Control 90 ppm Zn added from ZnSO4 (n = 6 pens).
bZnMet: Control plus 720 mg Zn added from ZINPRO® zinc methionine (n = 6 pens).
cPooled standard error of the mean