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Effects of GnRH, PGF2α and oxytocin treatments on conception rate at the time of artificial insemination in lactating dairy cows
cow spontaneous oestrus GnRH PGF2伪 oxytocin pregnancy
2015/6/9
In several studies, hormones such as gonadotropin-releasing hormone (GnRH), prostaglandins and oxytocin were used to increase pregnancy rate by inducing ovulation and improving the sperm transport in ...
Superovulation following follicular synchronization with GnRH at random stages of the oestrous cycle in heifers
oestrous cycle GnRH superstimulation follicular puncture heifer
2015/6/9
The objective of this study was to develop a superovulatory program based on synchronization of follicular waves with GnRH which could be applied regardless of the stage of the oestrous cycle. 36 heif...
Superovulation following follicular synchronization with GnRH at random stages of the oestrous cycle in heifers: oocyte competence and in vitro embryo production
heifer oocyte GnRH oocyte competence
2015/6/8
The objective of this study was to develop a superovulatory program based on the synchronization of follicular waves with GnRH which could be applied regardless of the stage of the oestrous cycle. In ...
Changes of Hypothalamic GnRH-I, POMC and NPY mRNA Expression and Serum IGF-I and Leptin Concentrations during Maturation of Shaoxing Ducks (Anas platyrhynchos)
Changes of Hypothalamic GnRH-I, POMC and NPY mRNA Expression and Serum IGF-I and Leptin Concentrations during Maturation of Shaoxing Ducks (Anas platyrhynchos)
2016/5/6
Sexual maturity in poultry is controlled by a complex neural circuit located in the basal forebrain, which integrates the central and peripheral signals to activate hypothalamic gonadotrophin-releasin...
GnRH在妊娠期黄牛下丘脑—垂体—卵巢轴中的表达
促性腺激素释放激素 下丘脑—垂体—卵巢轴 妊娠 黄牛
2013/12/4
旨在研究促性腺激素释放激素（GnRH）在妊娠期黄牛下丘脑—垂体—卵巢轴中的表达，探索其与妊娠的关系。运用免疫组化ABC 法和图像分析软件Image-Pro Plus 6.0对妊娠期黄牛下丘脑、垂体和卵巢组织中GnRH的表达情况进行研究。结果表明：(1) 在下丘脑中，GnRH阳性神经元主要分布于下丘脑前核(AH)、乳头体内侧核(MMN)、腹内侧核(VMN)、弓状核(ARC)及室旁核(PVN)，其中A...