Table 2.
Effect of increasing dose of RPC on DMI, BW, back fat (BF) at 12th rib on 63 d and Longissimus muscle (LM) area on day 62 in finishing steers during heat stress.
| Item | Treatment (Trt) | SEM | P-value | ||||
|---|---|---|---|---|---|---|---|
| 0RPC | 0.5RPC | 1RPC | Trt | Day (d) | Trt × d | ||
| Initial BW, kg | 281 | 285 | 284 | 1.6 | 0.06 | <0.01 | 0.76 |
| Final BW, kg | 350 | 355 | 352 | ||||
| DMI, kg/d | 9.8a | 9.9ab | 10.1b | 0.07 | 0.05 | <0.01 | 0.14 |
| BF, cm | 0.59 | 0.6 | 0.6 | 0.015 | 0.82 | – | – |
| LM on day 62, cm2 | 57.39 | 54.56 | 56.56 | 0.967 | 0.15 | – | – |