Sajid Hussain Shah, Akeel Ahmed Memon, Asmatullah Kaka, Ahmed Nawaz Tunio, Abdullah Channo, Qudratullah Kalwar, Muhammad Ibrahim Panhwar, Kashif Ali Malak and Baban Ali Rahoo, 2024. Evaluation of Ovsynch Estrus Synchronization in Holstein Friesian and Holstein Friesian-Jersey Crossbred Cows at District Thatta, Sindh, Pakistan . Pakistan J. Zool., 56: 1763-1770. DOI: https://dx.doi.org/10.17582/journal.pjz/20220523070520