Vitamin D and calcium supply of the prepubertative children in south Bashkiria

The 180 school-children 8-9 years age-old from Meleuz and Meleuz district of Bashkortostan Republic (53 0 north breadth) in autumn (September) were investigated the content of 25-hydroxyvitamin D, parathyroid hormone, calcium, phosphorus, magnesium in the serum and the level of daily intake of calcium from food. As a result of data analysis was concluded that 72% of the urban and 29,6% of rural children have a deficiency of vitamin D, with 28% and 63% respectively D-subclinical vitamin deficiency. Parathyroid hormone content was higher in of urban children than in rural areas. Daily calcium intake was 60-70% age norms and does not significantly differ from place of residence. The amount of milk and dairy products consumed by children is significantly lower than the recommended norms and is 26-39%.