Table 11.
Effect of zinc methionine complex in combination with zilpaterol hydrochloride on β-adrenergic receptor density in semimembranosus tissue
| Item (mm2) | CONa | ZnMetb | SEMc | P value |
|---|---|---|---|---|
| β1AR | 270.84 | 265.72 | 9.052 | 0.572 |
| β1AR-internalized | 0.13 | 0.26 | 0.189 | 0.476 |
| β2AR | 350.77 | 308.81 | 10.537 | 0.001 |
| β2AR-internalized | 0.06 | 0.61 | 0.297 | 0.068 |
| β3AR | 120.67 | 132.66 | 6.309 | 0.058 |
| β3AR-internalized | 0.06 | 0.26 | 0.148 | 0.175 |
aCON: Control 90 ppm Zn added from ZnSO4 (n = 20 steers)
bZnMet: Control plus 720 mg Zn added from ZINPRO® zinc methionine (n = 20 steers)
cPooled standard error of the mean