Industry Partners

Prairie Swine Centre is an affiliate of the University of Saskatchewan

Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.

Financial support for the Enterprise Model Project and Pork Insight has been provided by:

Author(s): Anil L;Bhend KMG;Baidoo SK;Morrison R;Deen J;
Publication Date: January 1, 2003
Reference: , vol. 223: pp. -.


Most of the challenges to housing pregnant sows are to balance between providing enough space for free movement and control aggression. Both inadequate space and aggression can cause injuries in sows. There are mainly 2 types of gestation housing systems: individual stalls and group housed pens. Individual stalls may not provide adequate space, but preventing sows from aggression. Group housing, on the other side, provides open space for free movement, but not preventing sows from aggression. The current study was to compare the location and severity of injuries in pregnant sows housed in individual gestation stalls with that in pregnant sows housed in groups in pens with electronic feeders. A total of 100 pregnant sows in parity 1 to 3 were used. Fifty sows each were randomly allotted to gestation stalls or group pens with electronic feeders. Injures were scored on the basis of location, number, and depth of wounds. Injury scores for sows in both housing systems were compared during a period of 90 days. The influence of factors such as duration of stay in the housing system, parity, and body weight on sow injuries was also examined. The results indicated that injury scores were higher in group pens. As body weight increased, injury scores decreased for sows housed in group pens and increased for sows housed in gestation stalls. To evaluate welfare of pregnant sows in individual stalls vs. in group pens, multiple measurements are needed.

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