Plasma and pituitary luteinizing hormone in Japanese quail during photoperiodically induced gonadal growth and regression

1973 ◽  
Vol 21 (1) ◽  
pp. 84-98 ◽  
Author(s):  
T.J. Nicholls ◽  
C.G. Scanes ◽  
B.K. Follett
Keyword(s):  
Luteinizing Hormone ◽  
Japanese Quail ◽  
Gonadal Growth

LUTEINIZING HORMONE RELEASING FACTOR IN THE QUAIL HYPOTHALAMUS

1972 ◽  
Vol 53 (1) ◽  
pp. 131-138 ◽  
Author(s):  
P. M. SMITH ◽  
B. K. FOLLETT
Keyword(s):  
Luteinizing Hormone ◽  
Japanese Quail ◽  
Release Rate ◽  
Initial Period ◽  
Repetitive Stimulation ◽  
Pituitary Glands ◽  
Lh Release ◽  
A Minor ◽  
Dose Dependent ◽  
Stimulation Of

SUMMARY Pituitaries from Japanese quail were superfused continuously for up to 12 h and the luteinizing hormone (LH) in the superfusate was measured by radioimmunoassay. After an initial period the release rate remained low and relatively constant. The introduction of hypothalamic extracts prepared from quail substantially increased immunoreactive LH release. The responses were dose-dependent. Cortical extracts caused a minor but significant response. Dopamine was inactive in the system. The technique is attractive because it allows for repetitive stimulation of the same pituitary glands with treatments being administered every 30–45 min.

Thyroxine can mimic photoperiodically induced gonadal growth in Japanese quail

1988 ◽  
Vol 157 (6) ◽  
pp. 829-835 ◽  
Author(s):  
B. K. Follett ◽  
T. J. Nicholls ◽  
C. R. Mayes
Keyword(s):  
Japanese Quail ◽  
Gonadal Growth
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