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.
1 When this food starts to ferment, it can cause foul smelly burps. 2  Stinky smell of rotten eggs or that of sulfur, which comes after a burp, is due to a gas formed in digestive tract. 3  It is called hydrogen sulfide gas. 4  The gas is produced when you eat sulfur containing food. Avoid them when you have bad burps. 2  Excess of bile which has a sulfuric taste when present in digestive tract can lead to foul odor belching. 3  This happens when you eat large meal at a time. 4  In order to digest large meal, liver releases large amount of bile in the intestine.