Many old breeders and experienced dog owners still recommend fasting the dog one day a week. On this day the dog should only drink water. The reason given by the supporters of the fasting day is that it cleanses and detoxifies the dog’s intestines. According to the findings of modern nutritional science, however, this is pure nonsense: such a colon cleansing simply does not take place. In the same fairy tale corner belongs the argument that wolves, the ancestors of dogs, often had nothing to eat for days after all. Therefore it is “natural” (and therefore automatically good?) To let the dog starve from time to time. If you could ask a wolf, he would explain to you that he tries to eat something every day and that he is best when he can too.
A day of fasting for the dog only makes sense if the animal suffers from vomiting or diarrhea. Here, too, it is not about “colon cleansing”, but rather that the mucous membrane of the digestive tract is not further irritated.
If the dog decides not to eat anything, there is usually also a slight discomfort behind it. If he eats his food again the next day, you don’t have to worry about it any further. If the loss of appetite persists, a visit to the vet is due.
There is a third argument with which this guide intends to tempt you to prescribe a regular fasting day for your dog: It is the result of decades or even centuries of practice. Indeed, there is not much left to say about that. Except that for centuries mankind also believed that the earth was flat.
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