De pågældende aktive sammenligningsprodukter blev valgt, fordi de ligeledes var premixprodukter til svin og indeholdt et enkelt aktivt stof med et aktivitetsspektrum, der dækkede de organismer, der var årsag til de forslåede indikationer.
The positive control products were chosen on the basis that they were also medicated premixes, indicated for use in pigs, which contained a single active substance, which had a spectrum of activity inclusive of those organisms causing the proposed indications.