The aim of this study was to assess the management conditions of horses at three box stables located in north eastern Mazovia. Range of studies included a zoohygienic inventory of stables and physical parameters measurements of air in the spring period. Scientific research showed that the analyzed elements of horses breeding environment in the box stables were within the recommended standards. On the basis of the stable inventory it was shown that the pits area and cubature idexes were adequate to the zoohygienic requirements. Values of most physical parameters of air (temperature, relative humidity, air movement and cooling power) ranged at the level of the minimum management conditions of horses. Only natural lighting (object B and C) and artificial lighting (object A, B and C) were too low in relation to optimum zoohygienic standards. In the evaluated stables, received light intensity value was twice higher than the recommended requirements (in the course of study outside of analyzed buildings sunny weather prevailed).

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