For all the attention paid to cotton and catfish, the single largest agricultural commodity in Mississippi is one that rarely makes headlines: the broiler chicken. Poultry generates more farm income than any other product in the state, the quiet engine of its agricultural economy.

The industry operates on an industrial scale and an integrated model. Companies typically own the birds and the feed, while independent farmers raise the chickens under contract in long, climate-controlled houses. The arrangement links thousands of growers to a handful of large processors.

The economics are demanding and the margins tight. Growers invest heavily in the houses and equipment required, then depend on contracts whose terms they have limited power to shape. The work is constant and the risks, from disease to market swings, are real.

The sector's scale gives it outsized importance to rural Mississippi, providing jobs in growing, processing, and the businesses that support them. It also draws scrutiny over labor conditions, environmental effects, and the balance of power between growers and processors. King it may be, but the poultry industry's dominance comes with the responsibilities and controversies that attend any ruler of an economy.