Table 3.

Least squares means and standard errors of core body temperature by breed composition

Breed group	n	Temp at low THI, °C	Temp at high THI, °C
100% Angus 0% Brahman	54	38.79 ± 0.05a	39.34 ± 0.06a
75% Angus 25% Brahman	50	38.52 ± 0.06b	39.09 ± 0.06b
Brangus	60	38.51 ± 0.05b	39.04 ± 0.06b
50% Angus 50% Brahman	49	38.54 ± 0.05b	39.02 ± 0.06b
25% Angus 75% Brahman	33	38.47 ± 0.06b	38.90 ± 0.06b,c
0% Angus 100% Brahman	89	38.58 ± 0.04b	38.85 ± 0.04c
I1	334	38.94 ± 0.03	39.43 ± 0.04
b11	334	−0.11 ± 0.02S	−0.14 ± 0.02S
b21	334	0.02 ± 0.01	0.03 ± 0.01

^a–cLeast squares means within column that do not have a common superscript differ, P < 0.05.

¹Intercept (I), linear (b₁), and quadratic (b₂) effect of percent Brahman genetics.

^SLinear or quadratic effect significant at P < 0.05.