Seasonal changes in the concentrations o
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Haase, Eberhard ;Sharp, Peter J. ;Paulke, Edgar
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Article
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1985
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John Wiley and Sons
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English
β 376 KB
## Abstract Seasonal changes in the concentrations of plasma luteinizing hormone (LH), follicleβstimulating hormone (FSH), and prolactin were measured in serial samples taken from seven captive wild mallard drakes exposed to natural lighting and temperature in Kiel, West Germany (54Β° N), for 20 mon