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Fertility in postpartum dairy cows in winter or summer following estrus synchronization and fixed time AI after the induction of an LH surge with GnRH or hCG

Animal PhysiologyAnimal ReproductionTheriogenologyFertilityAnimal ScienceLivestock ProductionGynecologyEstrus SynchronizationPublic HealthEndocrinologyMedicineFixed Time AiAnimal BreedingLh SurgeReproductive Endocrinology