Suppressive action of gonadotropin-releasing hormone and luteinizing hormone on function of the developing ovine corpus luteum.

1990 ◽  
Vol 68 (8) ◽  
pp. 2425 ◽  
Author(s):  
O Slayden ◽  
F Stormshak
Keyword(s):  
Luteinizing Hormone ◽  
Corpus Luteum ◽  
Gonadotropin Releasing Hormone ◽  
Releasing Hormone ◽  
Suppressive Action

scholarly journals Ovarian response after a GnRH challenge in seasonally anestrous ewes

1997 ◽  
Vol 77 (4) ◽  
pp. 727-730 ◽  
Author(s):  
E. Rubianes ◽  
T. de Castro ◽  
R. Ungerfeld ◽  
A. Meikle ◽  
A. Rivero
Keyword(s):  
Luteinizing Hormone ◽  
Key Words ◽  
Corpus Luteum ◽  
Ovarian Response ◽  
Gonadotropin Releasing Hormone ◽  
Transrectal Ultrasonography ◽  
Releasing Hormone ◽  
Follicular Cysts

To study the ovarian response of seasonally anestrous Corriedale ewes to a gonadotropin releasing hormone challenge, daily transrectal ultrasonography or laparotomy were performed and luteinizing hormone and progesterone profiles were determined. Of the responding ewes (8/17), three ovulated and formed a healthy corpus luteum and five formed large luteinized follicular cysts that secreted low progesterone levels for 2 to 3 d. Therefore, the study of progesterone profiles alone could lead to erroneous interpretations of the ovarian response to GnRH challenge in sheep. Key words: GnRH, progesterone, ovary, anestrous, ultrasonography, ewes

0468 The repeatability of gonadotropin releasing hormone-induced release of luteinizing hormone and its association with fertility in dairy cattle

2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 223-224
Author(s):  
M. Gobikrushanth ◽  
P. A. Dutra ◽  
C. A. Felton ◽  
T. C. Bruinjé ◽  
M. G. Colazo ◽  
...  
Keyword(s):  
Luteinizing Hormone ◽  
Dairy Cattle ◽  
Gonadotropin Releasing Hormone ◽  
Releasing Hormone
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