A poultry farm at the University of Illinois Urbana-Champaign. photo by Steve Matzker, for Investigate Midwest

The number of farms contracted to raise chickens for slaughter dropped by a third from 2002 to 2022. At that same time, the number of chickens raised on these farms grew 6%.

There were more than 20,000 farms in the country that raised broiler chickens, or chickens raised for meat processing, in 2002. Twenty years later, that number declined 32%, according to U.S. Department of Agriculture census data.

Nearly every chicken in the country is raised under a production contract, where major meat processors own the birds and the feed, while farmers are tasked with caring for the animals — and taking on debt to operate the farm.

In the last 20 years, the nation routinely produced more than 8 billion chickens raised under contract, fluctuating little in that time period.

The U.S. is the largest producer of broiler chickens, with Americans eating more chicken than any other country.

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John McCracken covers the industrial agriculture meat industry for Investigate Midwest. He has experience reporting at the intersection of agriculture, environmental pollution and climate change. He...