In recent years, pork producers have found ways to keep the animals healthy through improved hygiene. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

The long arms of pivot irrigation rigs deliver water from the Ogallala Aquifer to circular fields of corn in northwestern Kansas. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

The changing landscape of of agriculture is leaving many sheep farms in the dust. Farms are larger and technology makes crops more economically attractive and sheep herds less. Luke Runyon/Harvest Public Meida/KUNC hide caption

itoggle caption Luke Runyon/Harvest Public Meida/KUNC

Banksy's "Sirens of the Lambs" started its tour of New York City in — naturally — the Meatpacking District. BanksyNY/Youtube hide caption

itoggle caption BanksyNY/Youtube

Basil, tomatoes, peppers and lettuces grow in garden beds on the South Lawn of the White House. According to the site Obama Foodorama, the government shutdown has had a dramatic effect on the garden. Eddie Gehman Kohan/ObamaFoodorama.com hide caption

itoggle caption Eddie Gehman Kohan/ObamaFoodorama.com

Some of this season's Comice pear harvest is rotting in Pacific Northwest orchards because there aren't enough workers to pick it. Deena Prichep/for NPR hide caption

itoggle caption Deena Prichep/for NPR

This millet field outside Nunn, Colo., is nearing harvest time, when the grain turns from green to a golden color. Luke Runyon/Harvest Public Media hide caption

itoggle caption Luke Runyon/Harvest Public Media

Agricultural work, which is physically demanding, is also a risky business venture. Kirk Siegler/NPR hide caption

itoggle caption Kirk Siegler/NPR