Table 5.
Effects of Zn propionate supplementation in combination with RH on fiber type area of LM biopsies of feedlot steers
| Area, µm2 | |||
|---|---|---|---|
| Treatment | Type I | Type IIA | Type IIX |
| CON | |||
| Day 0 | 4,018.7 | 4,177.1 | 5,752.7b |
| Day 42 | 4,186.5 | 5,133.6 | 6,811.5ab |
| Day 79 | 4,887.0 | 5,511.8 | 6,759.7ab |
| Day 107 | 4,480.2 | 5,375.3 | 7,752.0a |
| ZnP | |||
| Day 0 | 4,097.8 | 4,778.7 | 5,255.8b |
| Day 42 | 4,878.2 | 5,399.8 | 6,287.8ab |
| Day 79 | 4,073.6 | 4,739.1 | 5,719.0b |
| Day 107 | 4,795.7 | 5,162.5 | 5,684.7b |
| SEM | 63.61 | 60.03 | 74.24 |
| P-values | |||
| Treatment | 0.500 | 0.790 | 0.038 |
| Day | 0.232 | 0.186 | 0.015 |
| Trt × day | 0.250 | 0.227 | 0.294 |
a,bMeans within the same column with the same superscript are not statistically different.