Abstract
AbstractA randomized complete block experiment was conducted to determine the impact of feeder space allocation on growing-finishing pig performance from 40.8 to 98.4kg. Feeder space allocation treatments evaluated were 5 and 10 pigs per space. Average daily gain and gain to feed ratio were not affected by feeder space treatment whereas performance from 40.8 to 98.4kg averaged 716.1 g/d and .312, respectively. Average daily feed disappearance from 40.8 to 98.4kg was significantly reduced for those pigs allocated at 10 compared to 5 per space (2.41 vs 2.51 kg/d, respectively). Sex differences were not significant for the gain to feed ratio and average daily feed disappearance. However there was a barn side x sex interaction for ADG. Barrows on side A tended (P = .10) to have higher ADG from 40.8 to 98.4kg than did gilts (788.7 vs 726.7 g/d, respectively). Sex differences were not significantly different on side B for ADG. Feeder space allocation did not significantly impact growth rate but did decrease average daily feed disappearance, suggesting less feed wastage.
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