| Literature DB >> 7418825 |
Abstract
Bovine pineal serotonin (5-HT) was analyzed at the time of the solstices and equinoxes from December, 1975 until June, 1978. The highest values of 5-HT were detected at the winter solstices and lowest values at the summer solstices of each year examined. The peaks in bovine pineal 5-HT correspond with a lessened fertility in cattle reported during the winter months.Entities:
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Year: 1980 PMID: 7418825 DOI: 10.1007/bf01970125
Source DB: PubMed Journal: Experientia ISSN: 0014-4754