China's Hog Factory Farms Taken to a New Level

In land-scarce China, swine farming companies are making a great leap to factory farming by spending billions on high-rise, high-tech hog barns up to seven stories high. With generous subsidies, Chinese officials view these farm factories as a improvement on the traditional "backyard" livestock farming model--long viewed as a road to riches for generations of rural households. However, this corporate farming model is highly experimental, still unproven, and investors probably did not count on the cratering of hog prices this year. Swine go down a ramp inside a high rise barn. These farms have varying designs, but they typically feature 5-7 story buildings that move pigs from floor to floor by elevator at different stages of their life cycle. Ventilation, temperature control, feeding, monitoring of pigs is often controlled by automated sensors, thermometers, and cameras. Animal waste is transported through tubes to centralized treatment facilities. A recent article by Agricul...