Abridi, A.A. Carvalho, L.A.F. Cramer, L.G. Gross, S.J. Cruz, J.B. Amaral, N.K. Efficacy of abamectin against the cattle tick Boophilus microplus Acarina, Ixodidae Efficacy of abamectin against the cattle tick Boophilus microplus Acarina, Ixodidae Subjects--Topical Terms: BovinoCarrapatoControle Quimico