screwworm

Mexico Opens a Fly Factory to Fight a Parasite That's Eating Cattle Alive

Deep in the jungles of Chiapas, a new factory is pumping out millions of sterile flies. The plan: release them into the wild, let them mate with the screwworm parasite, and watch the population collapse.

beef

Mexico's Ranchers Outsmarted the U.S. Cattle Ban, and Your Grocery Store Noticed

When the U.S. shut its border to live cattle from Mexico over a parasite, ranchers did something the market did not expect: they fattened their cattle at home and sold them as packaged meat. Exports jumped 23 to 30 percent.