Per il trattamento della malattia respiratoria batterica associata a Actinobacillus pleuropneumoniae, Pasteurella multocida, Haemophilus parasuis e Streptococcus suis. ###>Treatment of bacterial respiratory disease associated with Actinobacillus pleuropneumoniae, Pasteurella multocida, Haemophilus parasuis, and Streptococcus suis.