A Method for Comparing Polar Bears Eating Nearly 100% Fat with Fasted Bears

January 1, 1994

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Plasma lipids (triglycerides and cholesterol) from polar bears (Ursus maritimus) fed a nearly 100% seal fat diet and from fasted bears are compared. Fasted bears had plasma with more triglycerides and cholesterol than fed bears. Fatty acid composition of both triglycerides and cholesterol differed between fed and fasted bears. Omega-3 fatty acids (found in seal fat) were higher in both plasma lipids from fed bears than fasted bears.

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