Four week-old ducks were infected or not by a reovirus strains, than i
noculated with Escherichia coli strains, serovar 078 : K80, by subcuta
neous or intra-tracheal routes. Mortality, growth, symptoms, lesions a
nd E. coli reisolation were studied. The results showed that this expe
rimental model allowed the reproduction of a severe colibacillosis in
duck.