Date of Award
8-1980
Document Type
Thesis
Degree Name
Master of Science
Department
Biology
Abstract
The reproductive effects of long (24L:OD), natural (14L:lOD), and short (1L:23D) photoperiods were studied in the male mouse, Mus musculus, ICR strain. One third of the mice in each photoperiodic regimen were sacrificed after 45 days. Half of the remaining mice in each regimen received daily melatonin (5-methoxy-N-acetyl tryptamine) injections for 45 additional days. Body weights, testicular and accessory sex organ weights were measured and microscopic examinations of the testes were made. Plasma testosterone levels were determined using radioimmunoassay. Other organ (pituitary, kidney, adrenal, thymus, thyroid) weights were also obtained.
Recommended Citation
Shugart, Margaret Ann, "The effects of photoperiod and melatonin injections on the reproductive system of male mice, Mus musculus, ICR strain" (1980). Master's Theses. 962.
https://scholarship.richmond.edu/masters-theses/962