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Journal of Animal Science, Vol 71, Issue 1 144-150, Copyright © 1993 by American Society of Animal Science

JOURNAL ARTICLE

Effect of hyperalimentation on body composition in swine

M. D. Newcomb, R. S. Ott, T. van Kempen, Y. H. Lan, F. K. McKeith, J. E. Novakofski, P. J. Bechtel and R. A. Easter
Department of Animal Sciences, University of Illinois, Urbana 61801.

Fifty growing pigs were used in two experiments to evaluate the effects of cannulation and hyperalimentation on performance and body composition responses. Surgical implantation of a cannula into the greater curvature of the stomach and subsequent management associated with maintenance of the cannula did not result in a reduction (P > .05) of voluntary feed intake. Cannulation did not negatively affect gain (P > .05). Over the entire trial, feed efficiency was not changed by cannulation (P > .05). Cannulation itself did not affect protein or fat deposition (P > .05) in the carcass. Hyperalimentation to approximately 120% of control intake resulted in increased daily gain (P < .05) and similar feed efficiency (P > .05) compared with that of control animals. Hyperalimentation decreased protein deposition (P < .05) and tended to increase fat deposition.




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Copyright © 1993 by the American Society of Animal Science.