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March 8, 2010
A Penton Media, Inc Publication


  • Scientists Study Antibiotic Breakdown in Manure
  • Buffer Strips Play Role in Antibiotic Breakdown
  • North Carolina Swine Manure Will Generate Power
  • Spring Cleaning Lowers Odors
  • Websites Offer Helpful Tips
  • Precision Phosphorus Feeding Webcast Offered
  • Free Calculating Manure Value Workshop
  • Manure Expo Coming July 15





      Scientists Study Antibiotic Breakdown in Manure
    Agricultural Research Service (ARS) scientist Scott Yates recently discovered oxytetracycline (OTC), an antibiotic that is administered to animals, breaks down more quickly in cattle manure than it does in soil.

    Yates, who works at the ARS Contaminant Fate and Transport Research Unit in Riverside, CA, found that in controlled laboratory conditions, OTC in cattle manure was degraded more quickly as temperatures and moisture content in the manure increased. However, the OTC breakdown slowed as water saturation levels neared 100%. Yates concluded that this slowdown resulted when oxygen levels were not high enough to fuel the OTC biodegradation.

    Now’s the Time to incorporate a Slurrystore System into your nutrient management program. Slurrystore is compatible for any system whether your goal is long term storage, nutrient retention, green containment, digesters or manure processing. Plus Slurrystore Systems include the added feature of agitation to help ensure nutrient consistency. Click here or contact your local Authorized Slurrystore Dealer for more information.

      Buffer Strips Play Role in Antibiotic Breakdown
    Researchers at the University of Missouri (MU) Center for Agroforestry suggest that buffer strips of grasses and other plants can trap and break down veterinary antibiotics in manure used as fertilizer.

    Buffer strips have already demonstrated that they can be effective in protecting water quality, controlling erosion and supporting wildlife around crop fields. “Vegetative buffers already are a recommended practice for reducing sediment, nutrients and herbicides in surface runoff. Our research is showing another benefit,” says Keith Goyne, assistant professor of environmental soil chemistry in the MU School of Natural Resources.

      North Carolina Swine Manure Will Generate Power
    North Carolina pork producers have until April 15 to submit proposals indicating their interest in helping supply waste-generated power for the state.

    Proposals will be submitted to North Carolina electric suppliers as part of a state requirement mandating that power companies must use swine waste to produce electricity. A request for proposals (RFP) process signals the energy buyers are seeking proposals for energy and/or renewable energy certificates. Each buyer will determine whether or not it will enter into a contract with a respondent based on the proposal.

    Don’t let yeasts and molds rob you of 30% dry matter. Preserve your corn’s maximum value with Biotal® Plus II and Biotal® Buchneri™ 500 for more aerobic stability, less heating and more energy maintained in feed. Biotal inoculants are used effectively in bunkers, trenches, pits, bags and silos.
    Visit to learn more about Biotal silage inoculants and find out how you can get more from your feed.

      Spring Cleaning Lowers Odors
    Kansas State University (KSU) experts say spring is a good time for producers to clean cattle feedlots or areas where manure accumulates. If not properly cleaned and maintained, confined feeding pens and temporary feeding sites for wintering cows or winter-backgrounding calves are prime contributors to odor emissions, according to Joel DeRouchey, KSU animal scientist.

    Fly production from those sites is also much greater when manure and wasted feed are present. In addition to creating a nuisance, the potential exists for reduced animal performance during the summer, he says. Visit the KSU cattle management website at

      Websites Offer Helpful Tips
    The Wisconsin Department of Nature Resources (DNR) offers a web page devoted to providing resources to help producers prevent manure runoff events. The site provides video clips and links to additional information. Visit the site at

    The eXtension Livestock and Poultry Environmental Learning Center recently launched a YouTube channel in order to offer video clips illustrating helpful nutrient management information. The initial offerings include a manure safety video and antibiotic and hormone basics /.

    Another YouTube effort, provided by Oklahoma State University’s Waste Management Channel, depicts several technologies at work on operating livestock or poultry farms throughout the southern United States. The channel features videos devoted to a weeping wall, mechanical solid separator and litter baler. Visit the site at .

    Are you getting optimum value from your ag nutrients? Ensure an even nutrient blend and consistency with every load using a Slurrystore® and its center agitation system. There’s no better choice for long term ag nutrient storage. Now’s the Time for Slurrystore. Click here or contact your local Authorized Slurrystore Dealer for more information.

      Precision Phosphorus Feeding Webcast Offered
    The eXtension Livestock and Poultry Environmental Learning Center is offering a webcast on March 19 devoted to the topic, “Precision Phosphorus Feeding of the Dairy Cow.” Virginia Tech experts will talk about a project using an integrated approach to increase the adoption of precision phosphorus feeding on dairy farms. Speakers include Charlie Stallings, Bob James and Mark Hanigan, all of Virginia Tech. The webcast will take place at 2:30 p.m. (Eastern), 1:30 p.m. (Central), 12:30 p.m. (Mountain) and 11:30 a.m. (Pacific). Learn more about the webcast at

    Before or after the webcast, ask questions, post comments, upload photos, or share your experiences about the topic area by visiting Click on “discussion” to start the process. On the day of the webcast, go to to download the speakers’ power point presentations and to connect to the virtual meeting room. First-time viewers should also follow the steps at

    NHF Weekly Preview provides pork producers in the United States and Canada with weekly analysis of items that will impact their business. NHF Weekly Preview is brought to you from the editors of National Hog Farmer.

      Free Calculating Manure Value Workshop
    A free Manure Value Workshop is planned for March 31 at the Minnesota Pork Office, 151 Saint Andrews Court, Mankato, MN. The workshop begins at 9:30 a.m. and concludes at 12:30 p.m. with lunch.

    The Manure Value Workshop is designed to help livestock and crop producers and manure management consultants better estimate and maximize the value of manure as a crop nutrient resource.

      Manure Expo Coming July 15
    The 2010 Manure Expo will be held in State College, PA on July 15, 2010. Educational sessions, field demonstrations and vendors will come together around the theme, "Balancing Conservation and Production." Registration for exhibitors is currently available. Learn more at or contact Robb Meinen at (814) 865-5986, or email

    eHay Weekly is a weekly compilation of prices and marketing information for commercial hay growers. Updates include local market conditions, state and regional hay association news, hay prices from around the nation, and links to USDA weekly hay reports. eHay Weekly is brought to you from the editors of Hay & Forage Grower.

    Send Comments & Questions To
    Dale Miller, Editor, National Hog Farmer

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