Daya Hidup Spermatozoa Epididimis Sapi Persilangan yang Dipreservasi dengan Air Kelapa Muda pada Suhu 5oC (VIABILITY OF EPIDIDYMAL SPERMATOZOA CROSSBREED CATTLE PRESERVED WITH COCONUT WATER AT 5oC) - Rizal, Muhammad (Faculty of Veterinary Medicine, Udayana University and Published in collaboration with the Indonesia Veterinarian Association, 2018)