Does stocking density affect pig welfare and performance?

Stocking density can be a controversial issue in pig production. After all, the more pigs can be kept in one room, the more efficient production will be. Yet, when pigs have more space at their disposal, they tend to perform better, science says. This applies to pigs at various ages, both at nursery/grower phase, but equally much just before slaughter. The growing world population has increased the demand for pork products and has led to a rapid growth in the scale of swine enterprises global