HealthDigestionFoodDog Food InformationHeart Disease DCM in Dogs: Taurine’s Role in the Canine Diet What is taurine-deficiency dilated cardiomyopathy (DCM), and how can dog owners prevent it? (Hint: It involves more than just grain-free foods.) By Linda P. Case, MS - Published: August 15, 2018 Updated: January 25, 2021 11