Original sentence: Gerhard Schroeder, then German Chancellor, called for an end to factory farming in 2000 in response to Europe's BSE crisis.Opponents argue that it harms the environment, creates health risks, and abuses animals.Proponents of factory farming argue that it makes food production more efficient, that the animals are looked after in state-of-the-art confinement facilities and are content, that it is needed to feed the growing global human population, and that it protects the environment.The practice has become increasingly unpopular in Europe due to a series of events associated with modern farming techniques, including outbreaks of swine fever, BSE, foot and mouth, and bird flu, together with concern over animal welfare
Edited sentence: "    Avery has identified the knowledge divide concerning farm animals between concerned-yet-ignorant citydwellers and farmers:  "We are.Criticism has increased in Europe due to a series of events associated with modern farming techniques, including incidents of swine fever, BSE, foot and mouth and bird flu together with concern over animal welfare.Dennis Avery of the Hudson Institute has said, "[America is] producing 50 percent more meat per hog, partly because the hogs are becoming healthier and happier as more of them move indoors.Factory farming attracts controversy in that the advantages such as making food production more efficient, cheap and available for a growing population are balanced against harm to the environment, the health risks of the approach and the potential abuse of animals.Factory farming increases food production per capita.Yet birds and animals are more comfortable in confinement [and] grow faster on less food.told by urbanites, who don't raise livestock or poultry, that confinement feeding is cruel for the birds and animals, and bad for the environment