Breeding Physiology

Performance and Body Composition of Gilts from Differing Genetic Lines as Affected by Nutritional Program

Authors: K. D. Ragland (Iowa State University) , Lauren L. Christian (Iowa State University) , Tom J. Baas (Iowa State University) , R. N. Goodwin (National Pork Producers Council)

Abstract

Gilts restricted fed a high-protein ration were slower growing (P<.05) than gilts ad libitum fed a high- and moderate-protein diet. Gilts ad libitum fed a moderateprotein diet with added fat had significantly (P<.05) more fat accretion than gilts ad libitum fed and restricted fed a high-protein diet. A genetic line by diet interaction (P<.05) was observed for average daily gain. Also, gilts with the presence of a terminal breed in their ancestry were leaner and heavier muscled (P<.05) than gilts with no presence of a terminal breed in their ancestry.

Keywords: ASL R1483

How to Cite: Ragland, K. D. , Christian, L. L. , Baas, T. J. & Goodwin, R. N. (1998) “Performance and Body Composition of Gilts from Differing Genetic Lines as Affected by Nutritional Program”, Iowa State University Animal Industry Report. 1(1).