Published online 3 January 2006
Published in J Environ Qual 35:200-206 (2006)
DOI: 10.2134/jeq2005.0099
© 2006 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
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Environmental Load of Cryptosporidium parvum Oocysts from Cattle Manure in Feedlots from the Central and Western United States
Edward R. Atwilla,*,
Maria Das Gracas C. Pereiraa,
L. Herrera Alonsoa,
Cyrus Elmib,
William B. Eppersonc,
Robert Smithd,
Walter Riggse,
Linda V. Carpenterf,
David A. Dargatzg and
Bruce Hoarh
a Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, Univ. of California-Davis, Tulare, CA 93274
b USDA, Tulare, CA 93274
c Animal Disease Research and Diagnostic Laboratory, South Dakota State Univ., Brookings, SD 57007
d College of Veterinary Medicine, Oklahoma State Univ., Stillwater, OK 74075
e USDA, Austin, TX 78701
f USDA, Olympia, WA 98502
g Center for National Animal Health Surveillance, USDA, Fort Collins, CO 80526-8117
h Dep. of Medicine and Epidemiology, School of Veterinary Medicine, Univ. of California, Davis, CA 95616

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Fig. 1. Probability of detecting one or more Cryptosporidium parvum oocysts in fecal material deposited by feedlot cattle using direct immunofluorescent microscopy or immunomagnetic separation coupled with direct immunofluorescent microscopy.
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Copyright © 2006 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.