Most People Are Unaware of How Much Suffering Factory Farming Causes AnimalsFor the most part, animals in factory farms are in confinement buildings.The reality also is that most animals are penned up all day and night, with the amount of sunshine scientifically controlled. There is also automation to provide the animals with food, water, and an occasional change of air, so the farmer may not even need to "visit" his animals more than once a day.