epizootically adverb2 •In the manner of an epizootic; in a way that affects a particular species or range of species.A number of algal species live epizootically on the branchiopod crustaceans found in temporary ponds. — 2006 •Regarding epizootics; in the context of the study of epizootics.Epizootically, it is known that natural foci of rabies exist in wild carnivores, and jackals, wolves and mongooses play a significant role in the transmission cycle of the disease. — 2001