Determining the carbohydrate content in feline diets involves assessing the proportion of carbohydrates present, typically expressed as a percentage. This calculation is often achieved by subtracting the percentages of protein, fat, moisture, ash (minerals), and fiber from 100%. For example, a food labeled as containing 40% protein, 20% fat, 10% moisture, 7% ash, and 3% fiber would have a carbohydrate content of 20% (100 – 40 – 20 – 10 – 7 – 3 = 20).
Knowing the carb content is important because felines are obligate carnivores with metabolic systems primarily adapted for processing protein and fat. While moderate carbohydrate levels are tolerated, excessive intake can contribute to various health issues, including obesity and diabetes. Historically, commercially produced feline foods have varied significantly in their carbohydrate composition, prompting increased awareness among owners regarding dietary suitability for their pets.