Porcilis AR- T DF indeholder et non- toksisk rekombinant derivat (se nedenfor) af Pasteurella multocida- toksin samt inaktiverede celler af bakterien Bordetella bronchiseptica.
Porcilis AR-T DF contains a non-toxic recombinant derivative (see later) of the Pasteurella multocida toxin and also inactivated Bordetella bronchiseptica bacterial cells.