ELANCO ANIMAL HEALTH. revenue for the last year amounted to 4.00 B EUR, the most of which — 1.91 B EUR — came from its highest performing source at the moment, Pet Health, the year earlier bringing 2.00 B EUR. The greatest contribution to the revenue figure was made by International — last year it brought ELANCO ANIMAL HEALTH. 2.21 B EUR, and the year before that — 2.29 B EUR.