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The aim of the experiment was to determine the concentrations of harmful gases production in the dairy housing and to compare the difference of measured data in terms of frequency of manure removal. Measuring the concentration of ammonia, methane and carbon dioxide was carried out in summer in three-day cycles when produced excrements were removed every day at 19:00 o'clock, and in three-day cycles when removing of excreta was carried out twice a day, in the morning and evening at 5:00 and 19:00 o'clock. Microclimatic conditions during the experiment were at a comparable level, ambient temperature was maintained at about 29 °C and relative humidity was 64 %. By comparing the obtained values of production in terms of frequency of waste removal, it has been shown that for removing twice a day, the production of ammonia, carbon dioxide, methane was higher than under manure removal only once a day

INVESTIGATING THE IMPACT OF MANURE REMOVAL FREQUENCY ON THE AMOUNT OF PRODUCED POLLUTANTS IN CATTLE HOUSING