Basic Studies on the Oxidative Stress Markers in Two Types of Horse Breed: Semi-isolated Population of Huculs Is Different from Commercially Used Arabian Horses

Table 1

Comparison of enzymatic and nonenzymatic antioxidant systems in the blood serum of Hucul and Arabian horses. Descriptive statistics and results of two-way analysis of variance. or median (lower–upper quartile). Statistical significance was set at a .

	Hucul horses		Arabian horses
	Mare	Stallion	Mare	Stallion
Total SOD (NU/ml)					<0.001	0.145	<0.05	<0.05	0.523	<0.001	<0.001
MnSOD (NU/ml)					<0.001	<0.001	<0.05	<0.001	0.055	<0.001	0.145
CuZnSOD (NU/ml)					<0.001	0.054	0.707	0.296	0.076	<0.001	<0.001
LPS (RF)	66.66	.46	11.18	.94	<0.05	0.176	0.293	0.839	0.068	<0.01	0.372
CER (mg/dl)					0.097	0.507	0.984	—	—	—	—
TAC (mmol/l)					<0.001	0.069	0.191	0.724	<0.05	<0.001	< 0.001
TOS (μmol/l)					<0.001	0.895	<0.05	0.107	<0.05	<0.001	<0.001
MDA (μmol/l)					<0.001	0.307	<0.05	0.315	<0.01	<0.001	<0.001

Abbreviations: total SOD: superoxide dismutase; LPS: lipofuscin; CER: ceruloplasmin; TAC: total antioxidant capacity; TOS: total antioxidant status; MDA: malondialdehyde. : effect of breed; : effect of gender; ; interaction between gender and breed; : Hucul mare vs. Hucul stallion; : Arabian mare vs. Arabian stallion; : Hucul mare vs. Arabian mare; : Hucul stallion vs. Arabian stallion.