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Frequency of luteinizing hormone pulses and circulating 17β-oestradiol concentration in cows is related to concentration of progesterone in circulation when the progesterone comes from either an endogenous or exogenous source

Animal Physiology17β-Oestradiol ConcentrationAnimal ReproductionTheriogenologyAnimal ScienceMedicineUterine ReceptivityPhysiologyGynecologyReproductive BiologyHormone PulsesEndocrinologyExogenous SourcePublic HealthReproductive HormoneReproductive Endocrinology