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Plasma Levels of Prolactin and Gonadotropins during the Reproductive Cycle of White-Crowned Sparrows (Zonotrichia leucophrys)

✍ Scribed by Eve S. Hiatt, Arthur R. Goldsmith and Donald S. Farner


Book ID
124638414
Publisher
University of California Press
Year
1987
Tongue
English
Weight
390 KB
Volume
104
Category
Article
ISSN
0004-8038

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## Abstract Plasma levels of LH were measured through the course of 24 hours in photosensitive and photorefractory, adult male white‐crowned sparrows, __Zonotrichia leucophrys gambelii__, exposed to both long (20L, 4D) and short (8L, 16D) days. In photorefractory birds held on both long and short d