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Evaluating Ventilation Rates Based On New Heat And Moisture Production Data For Swine Production, Yanxi Lu, Morgan D. Hayes, John P. Stinn, Tami M. Brown-Brandl, Hongwei Xin
Evaluating Ventilation Rates Based On New Heat And Moisture Production Data For Swine Production, Yanxi Lu, Morgan D. Hayes, John P. Stinn, Tami M. Brown-Brandl, Hongwei Xin
Biosystems and Agricultural Engineering Faculty Publications
Heat and moisture production (HMP) rates of animals are used for calculation of ventilation rate (VR) in animal housing. New swine HMP data revealed considerable differences from previously reported data. This project determined new design VRs and evaluated differences from previously recommended VRs. The swine production stages evaluated included gestation, farrowing, nursery, growing, and finishing. The ranges of ambient temperature and ambient relative humidity (RH) evaluated for VR were -25°C to 15°C in 10°C increments and 15% to 75% in 15% increments, respectively. Indoor set points for temperature and RH were, respectively, 15°C, 20°C, 25°C and 60%, 70%, 80% for …