Good feeding: A principle to assess on-farm swine welfare

In recent years, animal product consumers have started demanding higher standards of welfare for pigs in food production. There is no consensus on a unique definition of animal welfare within or across species where applicable. Definitions vary depending on different factors such as cultural, scientific, religious, and political background. There are several proposed approaches to scientifically assess animal welfare such as feelings-based approach, natural living, the 5 freedoms, among other