It contains the antigens listed below.
Inactivated Streptococcus iniae
Inactivated Streptococcus parauberis type 1
Inactivated Streptococcus parauberis type 4
S. Iniae ECPs (Extracellular products)
S. parauberis type 1 ECPs
S. parauberis type 4 ECPs