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Adult Charles River female rats were pinealectomized, sham-operated or left intact, and half of each group was placed in 12L:12D while the other half we exposed to constant light (LL). Daily vaginal smears permitted the calculation, at weekly intervals, of the percent of rats in each group in LL showing 5 or more consecutive days of vaginal cornification.(More)
The mongoose, Herpestes auropunctatus, shows a well-defined breeding season in Hawaii. In this study, females were live-trapped throughout the year and sacrificed within 48 hr to obtain information about reproductive organ weights and gonadotropin levels. Pregnant females were found from February through September and lactating females from March through(More)
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