GonadotrophsFollicle Stimulating Hormone, beta SubunitLuteinizing Hormone, beta SubunitReceptors, LHRHGonadotropin-Releasing HormonePituitary GlandActivinsGonadotropinsPituitary Gland, AnteriorLuteinizing HormonePromoter Regions, GeneticCell LineGene Expression RegulationThyrotrophsGlycoprotein Hormones, alpha SubunitSignal TransductionFollicle Stimulating HormoneFushi Tarazu Transcription FactorsSteroidogenic Factor 1OvariectomyResponse ElementsPituitary Hormone-Releasing HormonesGonadsEstradiolActivin Receptors, Type ISelective Estrogen Receptor ModulatorsOrchiectomySheepElectrophoretic Mobility Shift AssayDepression, Chemical