Define inhumane farming methods

From Internet:

Inhumane Practices on Factory Farms. The rearing of farm animals today is dominated by industrialized facilities known as concentrated animal feeding operations, or CAFOs (often referred to as "factory farms") that maximize profits by treating animals not as sentient creatures, but as production units. Raised by the thousands at a single location, animals are confined in such tight quarters that they can barely move, let alone behave normally.