This study emphasizes the difference in pig crushing mortality rates in various outdoor farrowing hut types and suggests that huts with a larger floor space may help reduce preweaning pig crushing. Mothering ability by the sow may be particularly important in outdoor systems where the sows have greater freedom and mobility.
Iowa State University
Honeyman, Mark S. and Roush, Wayne B., "Pig Crushing Mortality by Hut Type In Outdoor Farrowing" (1997). Swine Research Report, 1996. 38.