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. 2022 Feb 6;100(3):skac038. doi: 10.1093/jas/skac038

Table 3.

Least squares means (upper and lower 95% confidence interval) of outcome variables by breed (Angus or Hereford) for calves undergoing hot-iron branding and receiving meloxicam at 1 mg/kg orally (MEL; n = 35) or placebo (CON; n = 35)

Variable Angus Hereford Breed
Mean serum cortisol, ng/mL 14.81a 10.69b <0.01
CI 12.73 to 16.89 8.66 to 12.72
Mean hair cortisol, pg/mL 199.75a 260.23b <0.01
CI 173.29 to 226.21 234.73 to 285.73
Mean PGEM, pg/mL 33.52a 23.77b <0.01
CI 28.61 to 38.43 19.01 to 28.53
Mean max IRT hip difference, °C 2.46 2.59 0.63
CI 2.00 to 2.91 2.14 to 3.03
Mean max IRT left hip, °C 35.11 34.77 0.13
CI 34.87 to 35.35 34.54 to 35.00
Mean max ocular IRT, °C 36.44 36.63 0.49
CI 36.22 to 36.67 36.41 to 36.85
Mean brand site MNT, kg F 0.67 0.69 0.13
CI 0.64 to 0.69 0.66 to 0.71
Mean control site MNT, kg F 1.16 1.21 0.72
CI 1.08 to 1.24 1.13 to 1.29
Mean motion index 5,381 4,870 0.43
CI 4,763 to 5,999 4,319 to 5,421
Mean lying time, Proportion 0.31 0.31 0.61
CI 0.30 to 0.31 0.30 to 0.31
Mean step count 1,127 1,017 0.42
CI 999 to 1,256 903 to 1,132
Mean lying bouts 6.42a 5.43b 0.04
CI 5.71 to 7.13 4.80 to 6.06
Mean VAS (1–100 mm) 8.54 8.62 0.95
CI 8.09 to 8.98 8.22 to 9.02
Mean ADG (kg/d) 0.94 0.88 0.72
CI 0.81 to 1.08 0.75 to 1.01

PGEM, prostaglandin E2 metabolite concentration; IRT, infrared thermography; MNT, mechanical nociceptive threshold; VAS, visual analog scale; ADG, average daily gain.

Different superscripts indicate significant differences between treatment groups (P ≤ 0.05).