Dairy 2007. Part IV: Reference of Dairy Cattle Health and Management Practices in the United States, 2007

摘要

The National Animal Health Monitoring System (NAHMS) is a nonregulatory program of the U.S. Department of Agricultures (USDA) Animal and Plant Health Inspection Service. NAHMS is designed to help meet the Nations animal-health information needs and has collected data on dairy health and management practices through three previous studies. The Dairy 2007 study was conducted in 17 of the Nations major dairy States and provides participants, stakeholders, and the industry as a whole with valuable information representing 79.5 percent of U.S. dairy operations and 82.5 percent of U.S. dairy cows. Part IV: Reference of Dairy Cattle Health and Management Practices in the United States, 2007-This report presents national information from 519 operations with 30 or more dairy cows, a subset of the 582 operations described in Part III. State and Federal VMOs and AHTs conducted questionnaire interviews with producers and collected biological samples for analysis between May 1 and August 31, 2007.