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December 24/31, 2003

Exercise and Risk of Breast Cancer

Author Affiliations

Letters Section Editor: Stephen J. Lurie, MD, PhD, Senior Editor.

JAMA. 2003;290(24):3193-3194. doi:10.1001/jama.290.24.3193-a

In Reply: In response to Dr Walker, ruminants other than cattle may not benefit from being fed grass rather than grain prior to slaughter. Kudva et al1 reported that abruptly changing the feed of sheep from corn and pelleted alfalfa to grass-hay increased their fecal shedding of E coli O157:h7, while the opposite abrupt change from grass-hay to corn and pelleted alfalfa decreased fecal shedding. Nonetheless, I agree that farm management practices are an important component of a multifaceted approach to limiting Shiga toxin-mediated illness and death.

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