Association between length of proestrus, follicular size, estrus behavior, and pregnancy rate in beef heifers subjected to fixed–time artificial insemination
R. Núñez–Olivera, G. A. Bó, Alejo Menchaca
Topics & Concepts
Estrous cycleArtificial inseminationEstradiol benzoateFollicular phaseFolliclePregnancy rateMedicinePregnancyAnimal scienceInseminationEndocrinologyCloprostenolInternal medicineUltrasonographyCorpus luteumBeef cattleOvulationAndrologyBiologyHormoneSpermSurgeryOvariectomized ratGeneticsReproductive Physiology in LivestockGenetic and phenotypic traits in livestockReproductive System and Pregnancy