These are the values from Dr. Lisa Pierson's food list:
PRO PLAN - Focus Urinary Tract Health Formula - Chicken in Gravy - 9%
PRO PLAN - Focus Urinary Tract Health Formula - Turkey & Giblets - 4%
PRO PLAN - Focus Urinary Tract Health Formula - Beef & Chicken - 3%
PRO PLAN - Focus Urinary Tract Health Formula - With Salmon - 4%
PRO PLAN - Focus Urinary Tract Health Formula - Ocean Whitefish - 3%
PURINA - Pro Plan Veterinary Diets UR - 12%
PURINA - Pro Plan Veterinary Diets UR Savory Selects in Sauce - Turkey & Giblets - 13%
PURINA - Pro Plan Veterinary Diets UR Savory Selects in Sauce - Salmon - 14%
I presume you are feeding the first few? And not the Pro Plan UR?