Previous research at South Dakota State University has shown that pigs housed in a completely enclosed confinement building consume less feed and gain slower during enclosed confinement building consume less feed and gain slower during the finishing period than pigs housed in an open-front facility. Boredom or building fatigue caused by prolonged confinement in a limited space have been suggested as possible causes of this reduced performance.
The experiment reported herein was conducted to obtain information on the effect of increasing pen space and/or doubling the level of vitamins in the diet during the finishing from approximately 140 pounds to 220 pounds.
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Agricultural Experiment Station, South Dakota State University
Wahlstrom, R. C. and Libal, G. W., "Effect of Pen Space and Vitamin Level on Performance of Growing-Finishing Swine" (1981). South Dakota Swine Field Day Proceedings and Research Reports, 1981. 6.