BEGOÑA MARIA ESCRIBANO DURÁN2026-01-292026-01-29201510.1515/aoas-2015-00032-s2.0-84929080513https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/26096Animal Science and ZoologyFood AnimalsSmall AnimalsSynchronization protocols in Spanish Merino sheep: Reduction in time to estrus by the addition of eCG to a progesterone-based estrus synchronization protocolresearch article