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  • Title: [The effect of suction and pressure type of ventilation on the microclimate of fattening stations and on the production performance of pigs].
    Author: Drybcák J.
    Journal: Vet Med (Praha); 1980 Apr; 25(4):205-11. PubMed ID: 6773207.
    Abstract:
    The microclimate in fattening houses of the TEROZ TACHOV type was studied in two fattening seasons. One of the houses had the original ventilation based on negative pressure and the other was tested as to the function and effect of overpressure ventilation. Under the given conditions, the comparison of the two systems showed that the pressure ventilation drove more air through the zone where the animals were kept, and was connected with higher cooling. Dust nuisance was reduced by the pressure ventilation system, but the temperatures and humidites in the fattening houses were influenced, since it slightly increased the temperatures in the house as a result of the flow of hot air from outside in summer, and considerably cooled the microclimate in the house in winter. Nevertheless, the pressure ventilation system provided a better microclimate for the pigs: their gains were higher and the mortality was lower.
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