@article{Mohammed20211 title = "A Review of Attempts to Improve Cow Fertility Through Reproductive Management: Estrous Synchronisation", journal = "Journal of Veterinary Healthcare", volume = "2", number = "4", pages = "1 - 25", year = "2021", note = "", issn = "2575-1212", doi = "https://doi.org/10.14302/issn.2575-1212.jvhc-21-3973", url = "http://oap-journals.comjvhc/article/1731", author = "A Elmetwally Mohammed and Hussien Adel and Sharawy Heba and Mostagir Amira and Risha Engy and Eldomany Wael and O Hegab Abdelrouf and H Darwish Madeha and M Zaabel Samy", keywords = "Dairy cows", keywords = "Ovulation", keywords = "Synchronisation", keywords = "Reproductive management", keywords = "Ovsynch" }