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The Effect of Soybeans upon the Firmness of Beef Fat¹

Iowa Experiment Station

Abstract

Much has been written with reference to the undesirable effect of feeding rations containing excess quantities of feeds rich in "softening" oils upon the physical and chemical characteristics of butter. More has been written concerning the influence of "softening" feeds upon the carcasses of hogs. Generally speaking, the inferiority of soft butter, and pork to the firmer grades of these commodities is recognized.

On the other hand, little has been said or written with reference to the effect of "softening" feeds, such as soybeans and peanuts, upon the firmness of beef fat, principally because the problem apparently never has existed. About a year ago a group of Iowa cattle feeders, who were including heavy allowances of soybeans in their fattening rations, complained that cattle buyers were objecting to cattle, which had been fed liberal amounts of whole soybeans, on the supposition that they killed off-color (yellow) and were softer than is desired by the trade.

¹ Journal Paper No. J140 of the Iowa Agricultural Experiment Station, Ames, Iowa. Project No. 36.