Abstract
Summary
Old White Carneau pigeons maintained under regulated light (9 hr fluorescent light, 15 hr darkness), temperature (76 ± 2°C), and humidity (about 40%) conditions and in groups of 6 in cages that do not permit flying for a period of over 18 months do not have the seasonal cyclic variations in serum cholesterol possessed by pigeons that have free access to flying areas and are exposed to yearly weather conditions.
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