IP No. 595050 The present disclosure relates to an oil-based preparation containing a triazine (such as toltrazuril, ponazuril or diclazuril) effective against parasitic protozoa and an anthelmintic cyclodepsipeptide (such as PF 1022 or emodepside), which is suitable in particular for oral application of the combination of active agents for controlling parasitic protozoans and endoparasites in humans or animals.