Analysis of Mineral Elements, Metabolism, and Inflammation Indexes in the Plasma of Dairy Cows Suffering from Different Degrees of Lameness

By Chen, J. and Gao, J. and Gu, C. and Guo, D. and Li, C. and Qu, Y. and Sun, D. and Wang, J. and Wang, X. and Wei, S. and Wu, R., Biol Trace Elem Res, 2015
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In the plasma of dairy cows with 1-5 points of lameness, the mineral elements [calcium (Ca), iron (Fe), copper (Cu), zinc (Zn), iodine (I), selenium (Se), molybdenum (Mo), and chromium (Cr)], the energy metabolic indicators [triglyceride (TG), glucose (Glu), total cholesterol (CHO), nonesterified fatty acids (NEFA), beta-hydroxybutyrate (BHBA), lactate (LA), and blood urea nitrogen (BUN)], and inflammatory indexes [bovine haptoglobin (BoHp), histamine (HIS), and immunoglobulin G (IgG)] were measured, respectively. Furthermore, the correlations of the measured indicators with the degrees of lameness were analyzed. The results showed that in the plasma of dairy cows with 2/3-5 points of lameness, for the mineral elements' levels, Ca, Cu, I, Se, and Fe significantly decreased, Cr significantly increased, and Mo showed a decreasing trend; for levels of the energy metabolism indicators, NEFA and BHBA significantly decreased, BUN and LA significantly increased, and Glu, CHO, and TG showed an increasing trend; for inflammation indexes, the concentrations of HIS, BoHp, and IgG all significantly increased; and further analysis indicated that the Mo, Fe, NEFA, BUN, BHBA, IgG, Ca, and Se had a significant correlation with the degrees of lameness. Resulting data revealed the changes of mineral elements, metabolism, and inflammation indexes in the plasma of dairy cows suffering from different degrees of lameness, which will provided basic knowledge for in-depth understanding of lameness in dairy cows.
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