There are many different types of housing available for dry sows, lactating sows and weaning, growing and finishing pigs. Fig.16-8 shows the different types of sow housing and Fig.16-9 the feeding systems, both manual and mechanical that are in use.

The following is a résumé of these different systems to illustrate the welfare and disease problems that may arise. It is not however intended to provide details of housing designs but only sufficient information to highlight the interactions between the structure, management, welfare and disease.