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Effect of GnRHa on plasma levels of Fsh and Lh in the female greater amberjack Seriola dumerili
Author(s) -
Nyuji Mitsuo,
Yamamoto Ikki,
Hamada Kazuhisa,
Kazeto Yukinori,
Okuzawa Koichi
Publication year - 2019
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.14137
Subject(s) - medicine , endocrinology , biology , agonist , follicle stimulating hormone , hormone , gonadotropin releasing hormone agonist , vitellogenesis , oocyte , gonadotropin releasing hormone , luteinizing hormone , fishery , receptor , embryo
The effects of gonadotropin‐releasing hormone agonist (GnRHa) on plasma levels of follicle‐stimulating hormone (Fsh) and luteinising hormone (Lh) are reported for female greater amberjack Seriola dumerili with post‐vitellogenic ovarian oocytes. Five females were implanted with pellets containing GnRHa (600 μg kg −1 body weight), while five other females were injected with saline. All females implanted with GnRHa‐containing pellets ovulated 36–42 h post‐implantation. The GnRHa implants elevated Lh, but not Fsh plasma levels within 42 h of GnRHa administration.