TY - SER AU - Minho,A.P. AU - Filippsen,L.F. AU - Amarante,A.F.T.do AU - Abdalla,A.L. TI - Efficacy of condensed tannin presents in acacia extract on the control of Trichostrongylus colubriformis in sheep KW - OVINO KW - NEMATÓIDE KW - TANINO ER -