"The bread is made by mixing rye and wheat flour, water, salt, yeast and a leavening agent into a dough, which is formed into a round shape. After 70 to 90 minutes..."
70-90 mins isn't very long to me... They also use yeast. I guess it would be better to use the home made sourdough starter.
Anyway, knowing that carbs aren't essential in our nutrition, I guess my main question would be what is the reason for this bread baking "aventure" if one can effectively live on animal fat and meat alone? A hobby?