Phosphorus Matters for Cats
A new upper limit for phosphorus in cat food is about to be implemented. But what does that mean? AAFCO, the Association for American Feed Control Officials, sets nutritional standards for pet food sold in the U.S. Their Nutrient Profiles for dogs and cats set minimums for 40+ nutrients including amino acids, minerals, fats, and vitamins. But very few nutrients have maximums, even though it might be beneficial for certain ingredients that can become toxic in excess. Phosphorus has become a nutrient of concern for cats in the last several ...

