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Evaluation of carbon dioxide administration for on-site mass depopulation of swine in response to animal health emergencies

Robert E. MeyerDepartment of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, MS 39762.

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W. E. Morgan MorrowDepartment of Animal Science, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27607.

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Larry F. StikeleatherDepartment of Biological and Agricultural Engineering, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27607.

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Craig L. BairdDepartment of Biological and Agricultural Engineering, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27607.

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J. Mark RiceDepartment of Biological and Agricultural Engineering, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27607.

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Haleh ByrneIndustrial and Extension Service, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27607.

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Burt V. HalbertDepartment of Biological and Agricultural Engineering, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, NC 27607.

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Darrel K. StylesNational Center for Animal Health Emergency Management, USDA APHIS Veterinary Services, Riverdale, MD 20737.

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Contributor Notes

Supported by a USDA APHIS cooperative agreement and a Department of Homeland Security Science and Technology Division Inter-agency Agreement (System to Administer Inhaled Gasses for Mass Depopulation of Swine in a National Emergency, Agency Reference No. 09-9137-1280-CA).

Presented in part in abstract form at the American Society of Agricultural and Biological Engineers, Dallas, July–August 2012, and Western Canadian Association of Swine Veterinarians Annual Meeting, Saskatoon, SK, Canada, October 2012.

The authors thank Drs. Chad Stahl and Jack Odle for supplying unmarketable pigs to minimize animal use, Barry Lineberger for assistance with data acquisition, and Taylor Aubrey and Laurel Mastro for assistance with animals and in reviewing videotaped responses.

The authors have no competing financial interests with any companies mentioned herein.

Address correspondence to Dr. Meyer (meyer@cvm.msstate.edu).