COMPARISON BETWEEN THE PROBIT MODEL AND THE HILL MODEL TO DETERMINE THE EFFICACY OF IVERMECTIN ON Rhipicephalus (Boophilus) microplus (ACARI, IXODIDA: IXODIDAE) WITH LARVAL IMMERSION TECHNIQUE. FAVET. 2021;19(suplemento). doi:10.14409/favecv.v19isuplemento.10954