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Article

Genetic variation in photoperiodism among naturally photoperiodic rat strains.

American journal of physiology. Regulatory, integrative and comparative physiology - 1 Dec 2001

Lorincz A M, Shoemaker M B, Heideman P D

Abstract excerpt

Rattus norvegicus has been considered nonphotoperiodic, but Fischer 344 (F344) rats are inhibited in growth and reproductive development by short photoperiod (SD). We tested photoresponsiveness of the genetically divergent Brown Norway (BN) strain of rats. Peripubertal males were tested in long photoperiod or SD, with or without 30% food reduction. Young males were photoresponsive, with reductions in testis size,...

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Identifiers

PMID: 11705766
DOI: 10.1152/ajpregu.2001.281.6.R1817

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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