Unggango, Yenti, Department of Animal Husbandry, Faculty of Agriculture, Universitas Negeri Gorontalo, Jalan Prof. Dr. Ing. B.J Habibie, Moutong, Kab. Bone Bolango, Indonesia, 96119 Utami, Lutfiah Puti, Brawijaya University Utomo, Aditya Wahyu, Bagian Produksi Ternak, Fakultas Peternakan, Universitas Brawijaya
