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This is a dog food rating system created to help people find a quality food. This is not concrete but to be used as a guide. This was created by Fredalina of the GDR.
Giving Dry Dog Food a Grade:
Start with a grade of 100:
For every listing of "by-product", subtract 10 points
For every non-specific animal source ("meat" or "poultry", meat, meal or fat) reference, subtract 10 points
If the food contains BHA, BHT, or ethoxyquin, subtract 10 points
For every grain "mill run" or non-specific grain source, subtract 5 points
If the same grain ingredient is used 2 or more times in the first five ingredients (i.e. "ground brown rice", "brewer#%92s rice", "rice flour" are all the same grain), subtract 5 points
If the protein sources are not meat meal and there are less than 2 meats in the top 3 ingredients, subtract 3 points
If it contains any artificial colorants, subtract 3 points
If it contains ground corn or whole grain corn, subtract 3 points
If corn is listed in the top 5 ingredients, subtract 2 more points
If the food contains any animal fat other than fish oil, subtract 2 points
If lamb is the only animal protein source (unless your dog is allergic to other protein sources), subtract 2 points
If it contains soy or soybeans, subtract 2 points
If it contains wheat (unless you know that your dog isn#%92t allergic to wheat), subtract 2 points
If it contains beef (unless you know that your dog isn#%92t allergic to beef), subtract 1 point
If it contains salt, subtract 1 point
Extra Credit:
If any of the meat sources are organic, add 5 points
If the food is endorsed by any major breed group or nutritionist, add 5 points
If the food is baked not extruded, add 5 points
If the food contains probiotics, add 3 points
If the food contains fruit, add 3 points
If the food contains vegetables (NOT corn or other grains), add 3 points
If the animal sources are hormone-free and antibiotic-free, add 2 points
If the food contains barley, add 2 points
If the food contains flax seed oil (not just the seeds), add 2 points
If the food contains oats or oatmeal, add 1 point
If the food contains sunflower oil, add 1 point
For every different specific animal protein source (other than the first one; count "chicken" and "chicken meal" as only one protein source, but "chicken" and "turkey" as 2 different sources), add 1 point
If it contains glucosamine and chondroitin, add 1 point
If the vegetables have been tested for pesticides and are pesticide-free, add 1 point
94-100+ = A
86-93 = B
78-85 = C
70-77 = D
<70 = F Authority Harvest Baked / Score 116 A+
Bil-Jac Select / Score 68 F
Canidae / Score 112 A+
Chicken Soup Senior / Score 115 A+
Diamond Maintenance / Score 64 F
Diamond Lamb Meal & Rice / Score 92 B
Diamond Large Breed 60+ Formula / Score 99 A
Natural Balance Ultra Premium / Score 122 A+
Natural Balance Duck and Potato / Score 106 A+
Hund-n-Flocken Adult Pet (lamb) by Solid Gold / Score 93 B
Iams Lamb Meal & Rice Formula Premium / Score 73 D
Innova Pet / Score 114 A+
Innova Evo / Score 114 A+
Kirkland Signature Chicken, Rice, and Vegetables / Score 110 A+
Merrick Grammy Pot Pie/ Score 118 A+
Nutro Natural Choice Large Breed Puppy / Score 87 B
Pet Gold Adult with Lamb & Rice / Score 23 F
ProPlan Natural Turkey & Barley / Score 103 A+
Purina Beneful / Score 17 F
Purina Pet / Score 62 F
Purina Come-n-Get It / Score 16 F
Royal Canin BullPet / Score 100 A+
Royal Canin Natural Blend Adult / Score 106 A+
Sensible Choice Chicken and Rice / Score 97 A
Science Diet Advanced Protein Senior 7+ / Score 63 F
Science Diet for Large Breed Puppies / Score 69 F
Wellness Super5 Mix Chicken / Score 110 A+
Wolf King Adult Pet (bison) by Solid Gold / Score 97 A
Some foods that have all ready been rated: