Resumo
Brazil is the third larger producer and the larger exporter of poultry meat world-wide. The production is estimated to be near about 12 millions of ton. Aproximatly 4 millions of tons is exported yearly, by which earning income is about US$ 6 billions. Species of avian pathogenic Escherichia coli (APEC) are agents of significant degrees of morbidity and mortality for poultry and laying he…