ProlactinReceptors, ProlactinBromocriptineHyperprolactinemiaThyrotropin-Releasing HormonePituitary GlandPituitary Gland, AnteriorGrowth HormonePituitary NeoplasmsErgolinesLactationLactation DisordersMammary Glands, AnimalProlactinomaLuteinizing HormonePlacental LactogenProgesteroneEstradiolPregnancyGalactorrheaPerphenazineFollicle Stimulating HormoneLactotrophsRadioimmunoassayTranscription Factor Pit-1EstrusSTAT5 Transcription FactorCaseinsPituitary HormonesGonadotropins, PituitarySheepPregnancy, AnimalPituitary Hormones, AnteriorHydrocortisonePseudopregnancyMetoclopramideCastrationHypophysectomyProestrusMilk ProteinsHormonesDomperidoneTestosteroneSulpirideThyrotropinHormone AntagonistsMelatoninDiestrusRNA, MessengerCorpus LuteumOvariectomyMammary Neoplasms, ExperimentalTilapiaMedian EminenceOvary20-alpha-Dihydroprogesterone