Analysis of Mastitis Cases on Modern Dairy Farms in Blitar Regency, IndonesiaLili Zalizar, Listiari Hendraningsih, Asmah Hidayati, Sutawi Sutawi, Wijayanto Wijayanto, Dewi Mariyam, Irma Rahmaita Utarid, Rachmad Dharmawan and Abubakar YaroE3S Web Conf., 432 (2023) 00018DOI: https://doi.org/10.1051/e3sconf/202343200018