In calves:Treatment of infections of the respiratory tract caused by enrofloxacin susceptible strains of Pasteurella multocida, Mannheimia haemolytica and Mycoplasma spp. Treatment of infections of the alimentary tract caused by enrofloxacin susceptible strains of Escherichia coli. Treatment of septicaemia caused by enrofloxacin susceptible strains of Escherichia coli. Treatment of acute mycoplasma-associated arthritis due to enrofloxacin susceptible strains of Mycoplasma bovis.Only after the sensitivity of the bacteria has been proven and it has been found that there is no alternative treatment (proven resistance to other agents).