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SEASONAL CHANGES IN THE MALLARD'S PENIS AND THEIR HORMONAL CONTROL

✍ Scribed by HÖHN, E. O.


Book ID
115253585
Publisher
Wiley (Blackwell Publishing)
Year
2009
Weight
449 KB
Volume
134
Category
Article
ISSN
0370-2774

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## Abstract Seasonal changes in the concentrations of plasma luteinizing hormone (LH), follicle‐stimulating 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 (54° N), for 20 mon