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Originally Posted by my2boyz  Here's a page I found on the Dogaware site with information about the requirements of phosphorus and protein in dogs...it may be helpful on both sides of the coin: Phosphorus and Protein in Dog Foods
If I'm understnding the information correctly, according to this page it looks like even the Buffalo formula is within range of what the maximum amount should be. |
The MAXIMUM phosphorus allowed according to AAFCO is 1.6%.
The buffalo formula is 1.5% MINIMUM. Meaning it could be a lot more. It also is 2.0% calcium. Wild Ocean is Calcium 2.4% min, Phosphorus 1.7% min. The other formulas are fine, the duck is low in ash.
For example, fats on dog food labels are on a minimum basis. A food that reads 13% could actually go as high as 19%. If you check out a food like Innova, they provide the *full* nutrient analysis and give you minimums and maximums.
A 1.5% or 1.6% *minimum* phosphorus content would make me extremely nervous in terms of kidney damage long-term.
Fromm Adult Gold has an ash content of 5.62% on an as-is basis, with phosphorus at 1.03% as-is basis.
Anything with a calcium/phos content of over 1.5% typically has very high ash as well.