Â¹. The commercial pet food industry started in 1860 with James Spratt's invention of the first dog biscuit in England. Made from vegetables, beef blood, wheat, and beet root, Spratt reportedly was inspired by observing sailors throwing hardtack to dogs at the docks.he commercial pet food companies do know a lot more about what cats need, but that still doesn't mean that the pet food industry is making food that is best for your cat.
The second thing that makes farts smelly is consuming foods that are high in sulfur. Foods such as cauliflower (and the rest of the cabbage family), eggs, cheese, garlic, onions, and meat are notorious for producing smelly farts because of their high content of sulfur.
Normal farts and burps should not smell at all. If they do, it is a sign that the food you are eating is not being properly digested. Improper digestion causes the food inside your stomach and intestines to ferment and this causes the unpleasant odor and smelly farts.If you are prone to smelly gas and constant bloating, it may be time for you to make some changes to your diet and eating habits. Many of these foods can cause exceptionally foul smelling gas as well. 2  Foods such as red meats (especially ground beef) and fatty foods release gases such as hydrogen, methane and carbon dioxide during the digestion process.