Serum lipids in humans fed diets containing beef or fish and poultry

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Abstract
One half of a group of 129 men and women (74 men and 55 women), in a crossover design ate, within a self-selected diet, one egg and at least 5 oz of beef daily for 3 months while the other half ate one egg and at least 5 oz of poultry and fish daily. Then they reversed their diets for 3 months. Blood samples were drawn by venipuncture before the study started and at the end of 3 and 6 months, for analyses of serum total cholesterol, triglycerides, and high density lipoprotein cholesterol. No statistically significant changes were found in serum lipids in men. In women serum triglycerides but not other serum lipids were significantly higher when poultry and fish had been ingested.