Chloride (an ionic form of chlorine) cannot exist by itself Chlorine is a highly reactive chemical, and is not found alone. Sodium Chloride, AKA table salt, is a very common compound, as are calcium and potassium chloride. All are found in the food that a dog would eat naturally.

Scientists FREQUENTLY write "common sense" and put it up for peer review.

If there is any sucrose left in the sugar beet pulp it is a damned poor refining process. The dried reside is almost certanly pure fiber, which aids digestion.

As to Sorghum being used to make alcoholic beverages, here's a challenge......find me a grain that is NOT used for that purpose. If we avoided the grains used to make alcohol as part of our diet, we would not be eating wheat, corn, rice, rye, or any other grain. That statement is a red herring.