Effect of access to roughage and shelter on selected behavioural indicators of welfare in pigs housed in a complex environment (2002)

Olsen, A. W., Simonsen, H. B., Dybkaer, L.

Abstract

The pigs with access to roughage showed a lower frequency of agression. .. The opportunity to regulate the body temperature by use of shade results in improved welfare. In conclusion, the pigs' behaviour indicated that their welfare was improved by free access to roughage and shelter.