Table 2.

Main effect of treatment on DMI, panting score, movement, and temperature during weather events (year 1)

	Treatment				P-value
Item	No Shade	Shade	SEM	Trt	Hour	Trt*Hour
Total Trial1
Movement	29,032	29,827	636	0.38	<0.01	0.99
Panting Score2	0.74	0.55	0.02	<0.01	—	—
Heat Event 13
Panting Score	0.70	0.27	0.06	<0.01	—	—
Ear Temperature, ºC4	38.1	38.0	0.1	0.24	<0.01	0.50
DMI, kg	12.0	12.1	0.2	0.32	—	—
Heat Event 25
Panting Score	1.76	1.45	0.05	<0.01	—	—
Ear Temperature, ºC	38.2	38.0	0.1	<0.01	<0.01	0.28
DMI, kg	9.5	10.1	0.2	<0.01	—	—
Cool Event6
Movement	30,248	30,593	1595	0.76	<0.01	0.96
Ear Temperature, ºC	36.7	36.5	0.1	0.11	<0.01	0.99
DMI, kg	11.7	12.0	0.1	<0.01	—	—

¹April 29 to —September 8. 10 pens utilized for all data.

²Panting scores were based on a score of 0 to 4 in 0.5 increments.

³July 3 to July 7.

⁴Ear temperature was measured using a biometric sense tag (Quantified Ag, Lincoln, NE).

⁵July 18 to July 22.

⁶August 3 to August 7.