To treat secondary bacterial infection or mixed infection caused by various viral diseases such as PRRSV and circovirus. It is specially good to inhibit PRRSV colonization and replication in the respiratory tract.

To treat respiratory disease caused by mycoplasma, actinobacillus pleuropneumoniae, streptococcus suis,pasteurella multocida and so on.

Mix with feed: 250-400g/ton feed; use for 7 days.

Mix with water: Dosage by half.