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Hypocalcaemia is a decrease in calcium (Ca) concentration in blood and bodily fluids. It occurs in various forms, most often during the perinatal period. The aim of the study was to investigate the effects of various forms of hypocalcaemia on the function of the liver, kidneys and pancreas in dairy cows during the period from 4 to 12 weeks after parturition, and to optimise the prevention and treatment...
The aim of the study was to determine the influence of the rank and period of lactation, and the daily milk yield on the levels of selected macro-, micro- and ultraelements (Ca, Cr, Cu, Fe, I, K, Mg, Mn, Mo, Na, P, S, Se, Zn) in cows’ hair. The experiment was carried out on 93 Holstein-Fresian dairy cows aged from 3 to 5 years, kept in the same breeding conditions. The method of atomic emission measurement...
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