Markers of oxidative status in plasma and erythrocytes of transition dairy cows during hot season.

作者: U. Bernabucci , B. Ronchi , N. Lacetera , A. Nardone

DOI: 10.3168/JDS.S0022-0302(02)74296-3

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摘要: The study was carried out to assess whether hot seasons affect the oxidative status of transition dairy cows. Twenty Holstein cows were utilized. Eleven of those cows gave birth in spring; the remaining nine cows gave birth in summer. Oxidative status was evaluated from 21 d before to 35 d after calving, determining oxidative markers in plasma [glutathione peroxidase activity, thiol groups, reactive oxygen metabolites, and thiobarbituric acid reactive substances (TBARS)] and in erythrocytes [glutathione peroxidase activity (GSH-Px …

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