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Animal and Plant Health Inspection Service
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NAHMS Feedlot Studies

feedlot cattle grazing

In light of the substantial market disruptions due to COVID-19, the original study plans for the National Animal Health Monitoring System's (NAHMS) Health Management on U.S. Feedlots 2020 Study were revised and the study was delayed until 2021.

From March through August 2021, the USDA’s National Animal Health Monitoring System (NAHMS), in collaboration with the National Agricultural Statistics Service, conducted a national study focusing on cattle health and management on U.S. feedlots with at least 50 head. The NAHMS Health Management on U.S. Feedlots 2021 study was designed to provide a snapshot of current feedlot cattle health management practices. The information collected will also allow for the analysis of trends in specific topics related to cattle health, based on previous NAHMS feedlot studies.

NAHMS conducted additional beef feedlot studies in 2011, 1999, and 1994.

Feedlot Studies


See the complete list of all NAHMS studies and associated materials.

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