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Sow mortality, specifically as the result of pelvic organ prolapses, has significantly increased in recent years in the U.S. swine industry. This recent increase in prolapses has been reported across different regions, frustrating producers and veterinarians alike primarily due to lack of mitigation strategies, or even the ability to execute mitigation-based research projects. In 2018, the Iowa Pork Industry Center received funding from National Pork Board to lead an industry-wide effort in identifying specific areas that may be contributing to the increasing incidence of prolapses.
The original survey project was completed in early 2019 and identified some potential risk factors that could be areas of interest for research. Research on understanding the root causes and potential mitigation strategies for pelvic organ prolapse is ongoing. Please see more information about our work below.
Zoe Kiefer describes her research on biological factors associated with pelvic organ prolapse in late gestation sows. This video focuses on the vaginal microbiome of commercial sows. Sows are classified as high or low risk for prolapse and the vaginal microbiome is analyzed for differences.
Pelvic Organ Prolapse Project Overview
Body Condition and Pelvic Organ Prolapse
Water and Pelvic Organ Prolapse
Perineal Score and Pelvic Organ Prolapse
The full final report from the initial Pelvic Organ Prolapse study is available for download!
• An industry-wide survey was conducted with 104 sow farms representing approximately 400,000 sows and nearly half of the US swine industry, including large integrated companies and many independently owned sow farms.
• Multiple factors that may contribute to POP in sows were identified, enabling the design of subsequent studies in specific areas of interest.
• Many areas of presumed potential influence on pelvic organ prolapse have been shown to be minimally influential if at all.
• A perineal scoring system was developed that is reproducible and indicative of risk of prolapse for individual sows.
In order to determine rates of pelvic organ prolapse and develop solutions, pelvic organ prolapses need to be properly identified and recorded on-farm. This video will help pig caretakers identify and document prolapses. If you would like access to this video and accompanying fact sheet, please fill out this form.
National Hog Farmer - October 15, 2018
By Amanda Chipman, Chris Rademacher, Daniel Linhares, Gustavo Silva, and Jason W. Ross, Iowa State University Iowa Pork Industry Center.
Check out this webinar about the Pelvic Organ Prolapse project given by Dr. Jason Ross for the National Pork Board Animal Science Research Webinar Series, August 2018.
Information and results from the 2018 Pelvic Organ Prolapse surve project.
Visit the Iowa Pork Industry Center's website for more information on the Pelvic Organ Prolapse Project. Contact Jason Ross at email@example.com with questions about the project.
Copyright © 2018 Improving Pig Survivability - All Rights Reserved.
Select photos courtesy of National Pork Board and the Pork Checkoff. Des Moines, IA USA.
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