title: Growth and 24 hour eating patterns of rats kept under various light:dark conditions.
abstract: Up to 84 days there was no difference in growth between groups of rats kept from birth at 8:16, 12:12 or 18:6 hours light:dark. More eating activity takes place during the light period when this is a larger part of the 24 hour day.
mesh_terms: D000818:Animals; D003624:Darkness / Q000009:adverse effects*; D005247:Feeding Behavior / Q000502:physiology*; D005260:Female; D008029:Lighting; D008297:Male; D051381:Rats / Q000254:growth & development* / Q000502:physiology