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Managing Manure to Mitigate Antibiotic Resistance

The use of antibiotics in livestock production has been the subject of significant scrutiny in recent years as the emergence and proliferation of antimicrobial resistant organisms fuels worldwide concern about this critical, modern day health crisis. The ability of organisms to evolve and develop resistance to antimicrobials is a natural phenomenon, and one that has been demonstrated to have existed long before humans inhabited the planet. But, does this mean that human activities – and, particularly, those associated with animal agriculture are faultless? Research into the link between antibiotics in livestock and increased risk for resistant infection in the human population may be inconclusive, but the potential for resistance transfer to humans through the food supply or environmental contamination remains. Moreover, resistance mechanisms in animal settings may have significant animal health and environmental implications. For these reasons, producers are increasingly interested in identifying management practices that can reduce the presence of antibiotics and resistant organisms in animal production systems. This webinar will highlight some of the work being done to identify effective practices for reducing concentrations of resistant bacteria and resistance genes at critical control points in beef feedlot and dairy manure management systems. Participants will also learn about a new nationwide outreach team working collaboratively to improve the abilities of agricultural producers and the general public to understand, assess and adopt practices that mitigate potential risks from food-borne AMR.

An application for continuing education credit for Certified Crop Advisors (CCAs) and members of the American Registry of Professional Animal Scientists (ARPAS) will be submitted.

Presenters for this webinar include:
  • Dr. Xu Li, University of Nebraska - Lincoln
  • Carlton Poindexter, University of Maryland student
  • Dr. Amy Schmidt, University of Nebraska - Lincoln
  • Mara Zelt, University of Nebraska - Lincoln student (moderator)
Handouts (PDF format) will be available the day of the webinar at the live webinar information page.

Find out more about this webinar or future webinars by the Livestock and Poultry Environmental Learning Community (LPELC).

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About the Extension Foundation

The Extension Foundation was formed in 2006 by Extension Directors and Administrators. Today, the Foundation partners with Cooperative Extension through liaison roles and a formal plan of work with the Extension Committee on Organization and Policy (ECOP) to increase system capacity while providing programmatic services, and helping Extension programs scale and investigate new methods and models for implementing programs. The Foundation provides professional development to Cooperative Extension professionals and offers exclusive services to its members. In 2020 and 2021, the Extension Foundation has awarded 85% of its direct funding back to the Cooperative Extension System, 100% of funds are used to support Cooperative Extension initiatives. 

This technology is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture and membership funding. Any opinions, findings, conclusions, or recommendations expressed in the content are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture. For more information, please visit You can view the terms of useat

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