Many conflicting values and norms in our society related to the use of animals lead to increasing disagreements about what constitutes a “good life” for the animals in our care. Broadly speaking, applied ethicists have discussed two different approaches to this topic—one focuses on the consequences of using animals in particular ways, and the other on the morality of that use, regardless of the consequences.

Humans and animals have been consuming genetically engineered (GE) food from plants for decades, but the recent approval of GE salmon intended as human food has resulted in debate and some controversy. Many still have concerns about the environmental impact and food safety issues of such an approval.