The Difficult Lives of Farm Raised Chickens 50 milliards de poules et coqs battery cages for egg-laying hens the genetic problems inherent in breeding animals for food Animal Cruelty animals animals Factory-Farmed Chickens: Their Difficult Lives and Deaths Factory-Farmed Chickens: Their Difficult Lives and Deaths Factory Farmed Chickens: Their difficult Lives and Deaths chickens animals Animal Cruelty animals