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Survey of small-enterprise chicken operations in the United States

Survey of small-enterprise chicken operations in the United States.jpg
The National Animal Health Monitoring System (NAHMS) Small-Enterprise Chicken study was conducted to better understand bird movement and biosecurity practices of commercial poultry operations having fewer than 20,000 chickens. A stratified random sample of 2511 operations having 1000-19,999 chickens was selected from a list maintained by the…