Air filtration systems implemented in large sow herds have been demonstrated to decrease the probability of having a PRRSV outbreak. However, a large economic study comparing real production data from both filtered and non-filtered control farms has been never been completed in order to assess the profitability of this investment. Therefore, the objectives of this study were threefold: 1) to assess productivity in filtered and non-filtered sow farms; 2) to model the productivity of a hypothetical filtered and non-filtered sow farm based on real data; 3) to assess the profitability of the filtration system investment in these hypothetical farms based on a partial budget analysis. In this study, filtered farms had improved productivity when compared with non-filtered control farms. The payback period demonstrated this improvement.
Carmen Alonso, Peter Davies, Dale Polson, Scott Dee, Will Lazarus; PRRS Corner — Economic Evaluation of Air Filtration Systems for PRRSV in Large Sow Herds in a Swine Dense Region in North America; 2012 Allen D Leman Swine Conference.