Seroprevalensi Virus Egg Drop Syndrome pada Bebek Petelur di Kecamatan Negara, Kabupaten Jembrana, Provinsi Bali (SEROPREVALENCE OF EGG DROP SYNDROME VIRUS IN LAYER DUCKS IN NEGARA DISTRICT, JEMBRANA REGENCY, BALI PROVINCE) - Kencana, Gusti Ayu Yuniati (Faculty of Veterinary Medicine, Udayana University and Published in collaboration with the Indonesia Veterinarian Association, 2019)