. 2017 Dec 19;31(6):919–925. doi: 10.5713/ajas.17.0545

Table 4.

Relationship between THI and behaviour parameters related to heat stress in beef calves

Parameters	THI								SEM	p-value

	70.01	71.7	74.22	76.51	79.84	82.92	84.05	87.72
Standing (min/d)	236^b	212^b	345^a	361^a	367^a	368^a	346^a	392^a	16.09	<0.001
Lying (min/d)	364^a	388^a	255^b	239^b	233^b	232^b	254^b	208^b	16.09	<0.001
Rumination (The number of times)	80.0	78.0	82.7	73.3	63.7	66	51.3	50.3	7.98	0.06

THI, temperature humidity index; SEM, standard error of the mean.

^a,b

Values within a row with different superscripts are significantly different according to Tukey’s test at p<0.05.