The Effect of Fat Level of the Diet on General Nutrition

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Abstract
Ad libitum feeding to rats of diets varying in fat content from 5 to 50% (10 to 70% of total cal.) results in better growth, greater physical capacity, and better reproductive and lactation performance in rats than does feeding of diets containing minimal amounts of fat. The difference is not influenced by presence of methyl linolate in the fat-free diet. Optimum growth was observed on diets containing 20–40% fat. The most pronounced differences were observed in males. The effects are in part, but not entirely, attributable to greater caloric intake on the diets containing fat.