A study in the bullfight herd of Ernesto Gonzalez Caicedo located in the Department of Cauca, Colombia, mostly of Santa Coloma lineage (a strain of bull-fighting cattle), either pure bred or up graded, evaluated between 1963 and 1994. The information arose from 948 standing records of de (a quantitative test given to females to evaluate their potential for the bullfight. The test is used to select breeding darns and also used in males to select the future sires) and de (a quantitative test given to bulls to evaluate their overall performance in the bullfight). The Nota de Tienta and Nota de Lidia may not allow to make comparisons due the differences between both practices, but a t test to determinate evaluation type and sex effects over the calculate parameters showed them to be comparable (P