title: Effect of photoperiod and cold acclimation upon plasma free fatty acid levels in the white rat.
abstract: 1. Animals were acclimated at 3 +/- 1 degrees C and at room temperature (22 degrees C) for 3 weeks. 2. At each acclimation temperature animals were maintained under either an 8:16 L:D cycle or a 16:8 L:D cycle. 3. Blood samples were taken before and after exposure to -38 degrees C for 30 min. 4. Free fatty acid levels were greatest in cold acclimated animals which were maintained on a short light cycle. 5. Interaction between acclimation and photoperiod was apparent.
mesh_terms: D000064:Acclimatization; D000818:Animals; D003080:Cold Temperature; D005230:Fatty Acids, Nonesterified / Q000097:blood*; D008027:Light; D008297:Male; D010507:Periodicity; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D005230:Fatty Acids, Nonesterified