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Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Pp. 283-291 in Air Pollution from Agricultural Operations III, Proceedings of the 12-15 October 2003 Conference (Research Triangle Park, North Carolina USA), Publication Date 12 October 2003.  701P1403.(doi:10.13031/2013.15520)
Authors:   L. D. Jacobson, D. R. Schmidt, J. K. Lake, and V. J. Johnson
Keywords:   Air emissions, Ammonia, Hydrogen sulfide, Dust, Livestock facilities

The concentration and emission rate for ammonia (NH3), hydrogen sulfide (H2S), odor, and particulate matter or particulates under 10 microns in diameter (PM10), were measured in a representative deep-bedded hoop pig finishing barn and a slatted-floor, curtain-sided pig finishing barn during 2+ week periods in the winter and summer in Minnesota. NH3 and H2S were continuously measured with gas analyzers in an environmentally controlled instrument trailer while PM10 and odor were measured at least twice during the 2+ week sampling periods. NH3 concentrations inside both barns were quite similar in the winter and summer but the NH3 emissions were higher in the hoop barn on a per pig basis. H2S concentrations and emissions were lower in the hoop barn compared to the curtain barn during both the winter and summer except for the per pig emissions in the winter which were similar. PM10 concentrations and per pig emissions were almost the same for both barn types during the winter and summer. Odor concentrations and per pig emissions in the winter were lower in the hoop barn compared to the curtain barn and revealed a slight advantage of lower odor emissions in the hoop barn during warm conditions. Although these result are helpful in evaluating the air quality impacts between these different pig finishing housing systems, it should be remembered that the winter and summer values were not measured simultaneously because of the availability of only one set of gas analyzers, dust collectors, and a single instrument trailer. (Download PDF)    (Export to EndNotes)