Table 4.
Main effect of treatment on DMI, panting score, movement, and temperature during weather events (year 2)
| Item | Treatment | SEM | Trt | P-value | ||
|---|---|---|---|---|---|---|
| No Shade | Shade | Hour | Trt*Hour | |||
| Total Trial1 | ||||||
| Movement | 28,858 | 28,804 | 395 | 0.93 | <0.01 | 0.99 |
| Ear Temperature, ºC2 | 36.6 | 36.6 | 0.1 | 0.80 | <0.01 | 0.31 |
| Panting Score3 | 0.98 | 0.70 | 0.02 | <0.01 | — | — |
| Heat Event 14 | ||||||
| Panting Score | 0.70 | 0.27 | 0.06 | <0.01 | — | — |
| DMI, kg | 9.1 | 10.9 | 0.23 | <0.01 | — | — |
| Cool Event5 | ||||||
| Movement | 31,694 | 31,846 | 472 | 0.83 | <0.01 | 0.32 |
| Ear Temperature, ºC | 36.8 | 37.0 | 0.1 | 0.08 | <0.01 | 0.27 |
| Panting Score | 0.42 | 0.26 | 0.04 | 0.01 | — | — |
| DMI, kg | 9.8 | 10.6 | 0.05 | <0.01 | — | — |
| Heat Event 26 | ||||||
| Panting Score | 1.76 | 1.45 | 0.05 | <0.01 | — | — |
| DMI, kg | 10.3 | 10.6 | 0.14 | 0.14 | — | — |
1February 26 to July 25.
2Ear temperature was measured using a biometric sense tag (Quantified Ag, Lincoln, NE).
3Panting scores were based on a score of 0 to 4 in 0.5 increments.
4May 24 to June 1.
5June 2 to June 7.
6July 9 to July 16.