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Baris 25:
* [http://manureexpo.org North American Manure Expo]
* [http://www.manuremanagement.cornell.edu/ Cornell Manure Program]
* [http://www.nal.usda.gov/wqic/manure.shtml Manure Management, Water Quality Information Center, U.S. Department of Agriculture] {{Webarchive|url=https://web.archive.org/web/20091025082218/http://www.nal.usda.gov/wqic/manure.shtml |date=2009-10-25 }}
* [http://www.extension.org/animal+manure+management Livestock and Poultry Environmental Learning Center] {{Webarchive|url=https://web.archive.org/web/20101227124550/http://www.extension.org/animal+manure+management |date=2010-12-27 }}, an [http://www.extension.org eXtension] community of practice about animal manure management
* [http://www.extension.org/pages/Antibiotics_and_Hormones_in_Animal_Manure_Webcast Antibiotics and Hormones in Animal Manure (Webcast)] {{Webarchive|url=https://web.archive.org/web/20100403100643/http://www.extension.org/pages/Antibiotics_and_Hormones_in_Animal_Manure_Webcast |date=2010-04-03 }}: A two part webcast series about the science available on potential risks and best management practices related to antibiotics and hormones from animal manure
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