99% of US farmed animals live in factory farms. Here, the welfare crisis is acute: respiratory diseases from ammonia, immobility, and cannibalism due to overcrowding.

Animal welfare is a utilitarian philosophy. It accepts that humans will use animals for food, clothing, research, and entertainment. However, it argues that during this use, humans have a moral and scientific obligation to minimize suffering.

The philosophical divide is not academic; it dictates real-world strategy. The fracture is most visible in the following industries: