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Confined Animal and Manure Nutrient Data System

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You have accessed the Confined Animal and Manure Nutrient Data System. This system provides state and National data about confined animal numbers and associated manure nutrients. The data are accessible two ways. The Standard delivery is a series of downloadable Excel files by year and animal type with each file providing all available data for each state. Custom delivery enables individual report preparation within 7 standard formats allowing selection of the desired years, geographic areas, animal types, confinement status, and data items. Both methods access the same base data and provide the same information. The Documentation contains needed definitions and details on the source of the data. These data are based on analysis of the data collected for the 1982, 1987, 1992, and 1997 Censuses of Agriculture done by the Economic Research Service and Natural Resources Conservation Service in conjunction with the National Agricultural Statistics Service. The methodology uses the number of animals sold and the end-of-year animal inventory to numbers of confined animals on farms. Manure nutrients were estimated based on the numbers and types of confined animals.

for more information, contact: Noel Gollehon or Marc Ribaudo
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page last updated: January 1, 2001

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