The aim of the studies was to compare Na, K, Ca, Png and Mg concentrations on the mandibular osseous tissue of 109 roe deer bucks (Capreolus capreolus L., 1758) of an „ecological field population” coming from the northern, central and southern region of Western Pomerania. Higher concentration of ash in 1g dry metter (0.36 g ± 0.04) was recorded in the mandibular osseous tissue of bucks from central region of Western Pomerania. The higher concentration of calcium (62.8 mmol·l^–1 ± 7.8), the lower concentration of magnesium (18.2 mmol·l^–1 ± 1.9) and the higher ratio Ca:Mg (3.49 ± 0.58) was recorded in bucks bone tissue from northern region. These results showed that influence of osseous tissue of bukcs mandibles in investigated macroelements depends from region of Western Pomerania.

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