panzootic
/ˌpanzuːˈɒtɪk/ /ˌpanzəʊˈɒtɪk/Veterinary Med.
noun
A widespread outbreak of a disease affecting several kinds of animal.
adjective
Of, relating to, or designating such a disease.
Origin
Late 19th century; earliest use found in John S. Billings (1838–1913). From pan- + -zootic.