Here are some links to explain our dog food manufacturer's stance on the dilated cardiomyopathy issue:

Horizon

July 3, 2019
Re: Company Statement on Recent FDA Update on DCM
Like all pet guardians, we remain concerned and attentive to ongoing developments related to dila...

Champion Foods

What is DCM?
DCM, or dilated cardiomyopathy, is a disease of the heart muscle and
results in an enlarged heart. As the heart and its chambers become
dilated, it becomes harder for the heart to pump, and heart valves may
leak, which can lead to a buildup o...