Comparative Nutritive Value of Butter and Vegetable Fats Under Conditions of Low Environmental Temperature. *

Summary

Immature female rats were raised to maturity under cold room and room temperature conditions on purified rations differing only in the source of fat. The fats employed were cottonseed oil, corn oil, margarine fat, and butter fat. Gain in body weight was significantly reduced in all rats under cold room conditions. No significant difference was observed, however, either under cold room or room temperature conditions, in gain in body weight on the various diets employed.