Make your own Doberman training treats. Simple and cheap and your Dobie will love them. First get some calf liver from your butcher or supermarket. Clean the membrane off the surface of the liver, remove the vein and give it a wash. Slice the liver across the width into fine strips (the finer the better) and place onto a non-stick tray. Get the full recipe and step by step photos in our ‘LOVE‘ section Make Your Own Doberman Training Treats.