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The reductions in feed intake and daily gain as space is restricted have been clearly documented for pigs in nursery and growing-finishing facilities. The general management recommendation has been to provide sufficient space for maximum performance (daily gain) in nurseries while often restricting space in growing-finishing facilities for best economic performance. However, as female reproductive performance within a herd increases, there often is more crowding of weaned pigs in the nursery. The effect of this crowding on subsequent performance has not been determined.
This experiment was designed to investigate the possible interaction of nursery space allocation and growing-finishing space allocation on performance from weaning to slaughter.