Biomarkers of Antioxidant Status, Inflammation, and Cartilage Metabolism Are Affected by Acute Intense Exercise but Not Superoxide Dismutase Supplementation in Horses

Table 2

Exercise trial. hematocrit (Hct), plasma total protein (TP), plasma lactate (LA), and serum creatine kinase (CK) concentrations before (Pre), during (Peak), 30 min, 2 h, 4 h, 24 h, and 36 h after exercise (Post). Data are presented as means ± SE; different superscripts denote differences within rows at 𝑃<0.05.

Variable	Pre	Peak	30 min POST	2 h POST	4 h POST	24 h POST	36 h POST
Hct, %	36.5±0.9^a	54.1±1.2^b	45.2±1.2^c	40.4±1.1^d	35.4±1.1^a	40.1±1.2^d	40.1±1.0^d
TP, g dL^−1	6.3±0.1^a	7.5±0.2^b	6.5±0.1^c	6.3±0.1^a	6.2±0.1^a	6.6±0.1^c	6.6±0.1^c
LA, mmol L^−1	0.7±0.1^a	23.4±2.1^b	14.0±2.1^c	2.2±0.3^a	1.0±0.1^a	0.7±0.1^a	0.8±0.1^a
CK, U L^−1	205.6±15.0^a	276.7±21.9^b	255.8±20.6^c	254.3±21.2^c	255.7±22.3^c	206.3±14.3^a	228.4±18.1^d