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Currently, the Brazilian beef cattle industry is experiencing a good time shopping, get access to many markets. Our country has growth in grain production and improvement in export structures, ie, everything goes well. However, farmers should avoid to accommodate and take advantage of the stability to improve their products, improving technology and quality in beef. This paper presents a summary of important information for selecting animals from the data already obtained by the technique of ultrasonography (U.S.). One way to accomplish the improvement of meat product is to promote genetic improvement of beef cattle in this case through the selection of the best training for cattle herds over the carcass traits. We approached the volume of Brazilian livestock and local selection in cattle: genetic correlations, heritabilities and carcass yield.

Seleção de bovinos de corte através da técnica de ultrassonografia