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The aim of the study was to compare the levels of selected blood parameters of dairy cattle in an area with copper industry (LGOM, area I, n = 21) and the Wroclaw agricultural suburban area (area II, n = 20). The concentration of heavy metals Cd, Cu, Pb and Zn (atomic absorption spectrometry method) and Hg (spectrometric method) was analysed in full blood. However, other parameters were determined...
Magnesium (Mg) is an activator of more than three hundred enzymes and a cofactor in synthesis and release of hormones. Currently, magnesium deficiency occurs in dairy cows most frequently in subclinical form, with symptoms limited to decreased appetite and decreased milk yield. The study covered 75 cows: 50 cows, which were diagnosed with magnesium deficiency in the antenatal period. The control group...
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