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Differences between Barrows and Gilts in the Proportions of Pork Cuts¹

Iowa State College

Abstract

What actual differences are there between barrows and gilts in the proportion of pork cuts produced? Park² found gilts to have a larger proportion of ham and loin and approximately the same proportion of shoulder. Bull's and Olson's³ work show gilts yield more ham but that gilts and barrows yield approximately the same proportion of the other cuts.

To answer this question the slaughter data from the swine record of performance tests conducted at the Iowa Agricultural Experiment Station in the summer and fall of 1931 were examined. There were nineteen litters from each of which two barrows and one gilt were killed. All pigs were fed the same standard ration (self-fed, free choice). Each pig was slaughtered when it reached 225 pounds.

¹ Journal Paper No. B82 of the Iowa Agricultural Experiment Station, Ames, Iowa. Project Nos. 32 and 39 (Purnell).