THE COMPARITION OF MOTILITY AND PROPORTION OF SEXING AND WITHOUT SEXING SPERMS OF ONGOLE CROSS-BRED BULL - Enike Dwi Kusumawati, Aju Tjatur Nugroho Krisnaningsih, Prinsner Umbu Njukamban,; universitas kanjuruahan malang (Universitas Kanjuruhan Malang, 2017)