Epizootic

a.	1.	(Zool.) Of or pertaining to an epizoön.
	2.	(Geol.) Containing fossil remains; - said of rocks, formations, mountains, and the like. Epizoötic mountains are of secondary formation. - Kirwan.
	3.	Of the nature of a disease which attacks many animals at the same time; - corresponding to epidemic diseases among men.
n.	1.	A disease attacking many animals at the same time; an epizootic disease.
	2.	A murrain; an epidemic influenza among horses.

Adj.

1.

epizootic - (of animals) epidemic among animals of a single kind within a particular region; "an epizootic disease"

animal, animate being, beast, brute, creature, epidemic, fauna