Umur Memengaruhi Volume Semen dan Motilitas Spermatozoa Babi Landrace di Balai Inseminasi Buatan Baturiti, Tabanan, Bali (AGE AFFECTS SEMEN VOLUME AND MOTILITY OF SPERMATOZOA LANDRACE BOAR’S OF BATURITI ARTIFICIAL INSEMINATION CENTER, TABANAN, BALI) - Sumardani, Ni Luh Gde (Faculty of Veterinary Medicine, Udayana University and Published in collaboration with the Indonesia Veterinarian Association, 2019)