Prevalensi Infeksi Cacing Trichuris spp. Pada Sapi Bali Berdasarkan Letak Geografis Provinsi Bali (THE PREVALENCE OF TrichurisSpp IN BALI CATTLE ACCORDING TO THE LAYOUT GEOGRAPHIC OF BALI PROVINCE) - Pramasudha, Anak Agung Raka (The Faculty of Veterinary Medicine of Udayana University, 2016)