Use of narasin in diets for lactating ewes - Assis, Rhaissa Garcia de; Biava, Janaina Socolovski; Polizel, Daniel Montanher; Souza, Terezinha Teixeira de; Sturion, Thamires Ubices; Pires, Alexandre Vaz; Relling, Alejandro E; Ferreira, Evandro Maia (Small Ruminant Research, 2020)