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The Development of Body Form in Swine¹

University of Minnesota

Abstract

Swine change in form as they grow. The course of change in form is subject to genetic as well as environmental variation.

Boars and barrows were found to follow different paths of development with respect to conformation. The difference was greater in the Minn. No. 1 line.

It is suggested that swine improvement measured in terms of economically important characteristics would be more rapid if conformation were considered only at market weight and attention now given type at other ages were shifted to performance.

¹ Paper No. 2104, Scientific Journal Series, Minnesota Agricultural Experiment Station, researches conducted in cooperation with the Regional Swine Breeding Laboratory, Ames, Iowa, Bureau of Animal Industry, United States Department of Agriculture.

² Formerly Assistant Professor of Animal Husbandry at the University of Minnesota, now Associate in the Departments of Animal Industry and Experimental Statistics at the University of North Carolina.

³ Professor of Animal Husbandry at the University of Minnesota.