Brucellosis prevention and control in small ruminants using a test and slaughter strategy in the pastoral Afar Region of Ethiopia: A pilot study - Ashenafi Kidanu; Balako Gumi; Mahlet Osman; Haregua Melak Selamsew; Jakob Zinsstag; Bezalem Tesfaye Araya; Girmay Medhin; Tesfu Kassa; Rea Tschopp (Preventive Veterinary Medicine, 2026)