ナショナルジオグラフィックさんのインスタグラム写真 - (ナショナルジオグラフィックInstagram)「Photo by George Steintmetz @geosteinmetz / A turkey farm in Clayton County, Iowa. Confined animal feeding operations like this produce most of the meat consumed in the industrialized world. They are extremely efficient but also extremely prone to population collapse with uniform genetics. These birds were being sprayed with a non-toxic disinfectant to prevent a poultry pandemic. To see more about where our food comes from, follow my other account @FeedThePlanet.」11月26日 22時51分