TY - JOUR AU - Revilla Ruiz, Ángel AU - Carulla, Patricia AU - Pérez Navarro, Alejandro AU - Patrón Collantes, Raquel AU - De Mercado, Eduardo AU - de la Luz Pérez-Solana, María AU - González Martín, Juan Vicente AU - Sebastián, Francisco AU - Pérez Garnelo, Sonia AU - Astiz, Susana PY - 2025 DO - 10.1111/rda.70017 SN - 0936-6768 UR - https://hdl.handle.net/20.500.14352/122473 T2 - Reproduction in Domestic Animals AB - The influence of estrus and double ovulations of Holstein heifers on a 5d-Co-synch 72 h protocol during summer was explored. Cycling heifers on the 5d-Co-72 h synchronisation protocol were randomised to carry a progesterone device (116) from day 0 to... LA - eng M2 - 1 PB - Wiley KW - Dairy KW - Fixed‐time artificial insemination KW - Heat stress KW - Replacement heifer KW - Reproductive strategy TI - Influence of Estrus and Double Ovulations on Reproductive Efficiency in Summer, of Holstein Heifers on a 5-Day Hormonal Synchronisation Protocol With and Without Intravaginal Progesterone Device. TY - journal article VL - 60 ER -