ANÁLISE DESCRITIVA DE CARACTERÍSTICAS DE PRODUÇÃO E QUALIDADE DO LEITE DE VACAS CRUZADAS

The aim of this work was to obtain descriptive estimates of quality and production of milk in dairy cattle in pastures. For this study, data from 212 cows in different degrees of blood in Holstein-Gir, were used to evaluate the following traits: milk yield, number of calving, age at first calving, percentage of protein, percentage of fat, kilogram of protein produced and kilogram fat produced in milk. The PROCUNIVARIATE procedure of the SAS UNIVERSITY statistical program was used to obtain the descriptive statistics estimates. The analysis of the trait allows us to conclude that the values of the average estimates for milk production and quality of crossbred cows (Holstein-Gir) in pasture systems are higher than in the literature, which traits the herd as excellent indexes zootechnical.