Antibiotics and Hormones: Use in Animal Agriculture, Impacts, and Resistance

Animal Manure Management August 29, 2011 Print Friendly and PDF

Antibiotics and hormones are commonly used in animal production. What is their potential impact and role in development of antibiotic resistance? This is the first in a two-part series on this topic Go to Part 2. The presenters for this webcast are: David Norris, University of Colorado; Paul Ebner, Purdue University; and Amy Pruden, Colorado State University. This presentation was originally broadcast on March 28, 2008. More...

Basics of Antibiotic and Hormone Use in Animal Agriculture

Paul Ebner, Purdue University

View the video in full screen by clicking on the icon second from left in the lower right
Presentation Slides
Download a copy of this video (9 MB)

Video Segments and Power Point Slides

The rest of the videos from this webcast are currently only available as streamed video. If you have difficulties please see our webcast troubleshooting page.

  • Impact of Trace Chemicals (Hormones) in the Environment - Norris (14 minutes). To view this segment click on the link and drag the time slider (at the bottom of the screen) to 16:50. View Presentation | Power Point Slides.
  • Human and Environmental Impacts of Antibiotics and Antibiotic Resistance - Pruden (20 minutes). To view this segment, drag the time slider (at the bottom of the screen) to 31:20. Streamed Video | Power Point Slides Note: there is a brief section at the end of her presentation (approx 1 minute) where audio from another section plays simultaneously.
  • Question and Answer Segment - (10 minutes). To view this segment, drag the time slider (at the bottom of the screen) to 54:00. View Presentation. Note: Some of the audio plays out of sequence in this section.

Continuing Education Units

American Registry of Professional Animal Scientists (ARPAS)

ARPAS members can receive 1 CEU by viewing then webcast and then contacting ARPAS headquarters. Visit the ARPAS continuing education page for additional CEU opportunities.

Additional Resource and Links

Connect with us

  • Twitter
  • Facebook
  • YouTube


This is where you can find research-based information from America's land-grant universities enabled by



This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.