Guaranteed Analysis: Moisture and Ash

Guaranteed Analysis: Moisture and Ash

Unlike the detailed list of nutritional requirements for human food, pet food in North America must only report on four main values in their Guaranteed Analysis on the label: protein, fat, fiber, and moisture. Additional nutrients must be included if they are called...
Kjeldahl vs Dumas: Determining Protein

Kjeldahl vs Dumas: Determining Protein

Ever since its development in 1883, the Kjeldahl method of protein determination had been the standard in laboratories across the world. It wasn’t until the 1990s that the Dumas method began acquiring a foothold. Though the Dumas method was technically older...