The relationship of estrus character before double dose artificial insemination in Limousin Crossbred cowPutri Utami, Muhammad Zainul Hanif, Aulia Puspita Anugra Yekti, Joko Riyanto, Chusnul Hanim and Trinil SusilawatiE3S Web Conf., 335 (2022) 00031DOI: https://doi.org/10.1051/e3sconf/202233500031