špakauskas, Vytautas; Klimienė, Irena; Bandzaitė, Virginija
December 2006
Veterinarija ir Zootechnika;2006, Vol. 36 Issue 58, p79
Academic Journal
The levels of vitamin D, calcitonin and parathyroid hormone and their relation with levels of Ca, P and Mg in cows with mastitis (n=30) were investigated experimentally. The level of parathyroid hormone and calcitonin were determined in vitro using Roche Elecsys 1010/2010 and Immulite analyzers, respectively, and the amounts of 25-hidroxicholecalciferol were determined by ELISA. In addition, the level of macronulrients (Ca, P and Mg) was determined by Eos-Bravo analyzer and reagents of Hospitex. The levels of Ca in cows with mastitis varied without exceeding the lower physiological norm (2.28±0.20 mmol/l), and the levels of P (1.56±0.12 mmol/l) and Mg (1.08±0.20 mmol/l) were in the range of normal. The blood level of PTH (3.97±0.50 pmol/l) in cows with mastiffs did not differ statistically significantly compared to healthy control cows (p>0.05). The level of calcitonin (1.83±0.49 pmol/l) in cows with mastiffs was comparable to the level of calcitonin in healthy cows (p>0.05). The level of vitamin D (23.72±7.19 nmol/l) found in the blood serum of cows with mastitis correlated inversely with level of Ca (r = - 0.752) and P (r = - 0.901).


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