Alterations of antioxidant status markers in dairy cows during lactation and in the dry period

Arash Omidi, M. H. Fathi, Matt Parker

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Abstract

The purpose of the study was to evaluate alterations in concentration of total antioxidant capacity (TAC) of plasma, and plasma total thiols as markers of oxidative protein damage, and malondialdehyde (as a final product of lipid peroxidation, in samples obtained at different times of lactation cycle and dry period of dairy cows. We found that TAC was significantly lower in the primiparous cows compared to multiparous cows. This study clearly demonstrates a need for monitoring primiparous cows during the production cycle, especially when they faced with severe metabolic conditions. Furthermore, TAC may be a sensitive, reliable and useful indicator for measurement of cumulative effects of antioxidants as an addition to metabolic profile tests, which are currently used to analyse dairy cattle health.
Original languageEnglish
Pages (from-to)49-53
JournalJournal of Dairy Research
Volume84
Issue number1
Early online date23 Dec 2016
DOIs
Publication statusPublished - Feb 2017

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