I know canidae doesn't. It tests its ingredients for ethoxyquin for use. Here is a quote from thier page involving each of their ingredients individually:
Chicken & Turkey Meal (Human Grade)
Hormone free, antibiotic free and ethoxyquin free. Human quality meat, flesh tissue and skin only.
Lamb Meal (Human Grade)
Finest American lamb, hormone free, antibiotic free and ethoxyquin free. Human quality meat.
Herring Meal (F.D.A. Inspected), (Omega 3)
Meats have been tested to have No Ethoxyquin Residual.
Brown Rice (U.S.D.A. Grade #1)
Rice has been tested to have no pesticide residual; contains a generous supply of B vitamins, plus calcium, phosphorus, and iron.
White Rice (U.S.D.A. Grade #1)
Rice has been tested to have no pesticide residual; also nutritious, and of all grains, Rice is the most easily digested and least likely to cause allergic reactions. Rice helps clear up psoriasis and has anticancer and antidiarrheal properties. Rice helps to lower cholesterol and may also help to prevent kidney stones.
Chicken Fat (Omega 6), (Human Grade)
Naturally preserved with mixed tocopherols and ascorbic acid.
Sunflower Oil (Omega 6)
Cold pressed, naturally preserved, Rich in linoleic acid and is known for producing a beautiful skin and coat, as well as visible sheen.
Omega-6 & Omega-3 Fatty Acids (5:1 Ratio)
With balanced Omega's we can improve the coat and help to avoid hot spots, hair loss and allergy problems caused from flea bites, repeated licking and from a fat imbalance.
An excellent source of protein and contains all the essential Amino Acids.
Flaxseed Meal (Omega 3)
Aids in the movement of food through the digestive tract. Flax nourishes and is soothing to the stomach and intestinal linings. This plant source of Omega-3 fatty acids helps enhance the coats sheen.
Linoleic Acid (Omega 6)
Essential fatty acid for healthy skin and coat.
Is used in the digestion and absorption of fats.
Aids in healing allergies, stomach ailments and bad breath; cleanses the kidneys and removes poisons from the body; neutralizes acids; is an excellent blood purifier; improves the appetite and aids in the assimilation of protein, calcium and other nutrients.
Strengthens the mind and concentrating abilities; it aids in healing skin sores and skin eruptions and removing dandruff. It has been mostly employed in disordered states of the digestion and for its savory usage.
Is a stimulant of the circulatory system; to treat bad breath; stimulates the hair bulbs to new growth. Employed for its savory usage.
Prevents the spread of bacterial infections in kidneys and the urinary tract. Helps prevent Cystitis.
Rich in soluble fiber, helps lower blood cholesterol levels and normalizes blood sugar.
Vitamin packed herb, calms the stomach, reduces
tissue swelling, removes worms and parasites from the digestive tract.
Rich in vitamins and contains 30 minerals, controls the thyroid and regulates the metabolism which aids in the digestion of foods and the burning of calories. Kelp aids with improved brain and nerve functions.
An amino acid derivative found in meat that shields the heart from harm. Studies also show that Taurine may also benefit vision disorders, epilepsy, and gallstones. Plays an important part as a neurotransmitter, maintains the correct composition of bile and the solubility of cholesterol.
Yucca Schidigera Extract
Used for its reduction of both breath and stool odor! A cleansing agent. Used by the Indians of the southwest for skin disorders, skin eruptions and helps avoid inflammation.
All natural fiber intake to help in digestion, improve intestinal health and effective in reducing cholesterol. Also known as an anticarcinogenic.
An amino acid sugar necessary for construction of connective tissue and healthy cartilage. Benefits include prevention of arthritis and improved joint health.
Exist naturally in cartilage. When combined with Glucosamine it is known to produce a synergetic effect in helping prevent arthritis and improving joint health.
Inulin (from chicory root), Fructooligosaccharide (FOS) / Saccharomyces Cerevisiae Fermentation Solubles, Mannan-Oligosaccharide (MOS) - Stimulates the growth of friendly and healthy bacteria. Benefits Include: Helping to prevent cancers and have antimicrobial activity. Prebiotics may further help in lowering triglycerides, stabilizing blood glucose levels, boosting the immune system and helping to improve mineral absorption and rid the gut of harmful microorganisms.
Enterococcus Faecium, Lactobacillus Acidophilus Fermentation Products - Aid in the maintenance of the healthy balance of intestinal flora. Benefits Include: Improved Digestion, Lower Cholesterol Levels, Strengthened Immune Systems and help Correct Digestive Disorders. Probiotics also aid in helping to prevent ulcers, inflammatory bowel diseases, lactose intolerance, yeast infections and colon cancer.
Aspergillus Oryzae, Bacillus Subtilis Fermentation Extracts, Papaya (containing the enzyme Papain), Pineapple (containing the enzyme Bromilian) Hydrolyzes proteins, fats, oils, starches and carbohydrates for better digestion and absorption of nutrients.
Digestive enzyme that hydrolyzes fiber for better digestion and absorption of nutrients. Canidae Pet Foods is once again the leader in cutting edge nutrition by being the first pet food manufacturer to include proven enzymatic activity in our products backed by scientific data and proven methodology on the inclusion of Cellulase.
All natural live culture. Acts in stimulating microbial and enzyme populations in the animals digestive system. This improves feeding efficiency and digestion.
Complete Vitamins including Antioxidants, Vitamin A, Beta Carotene, Vitamin C, Vitamin E, Alpha Tocopherols.
Complete balanced minerals containing Amino Acid Chelated Minerals. When Amino Acids are bound to minerals they produce Chelated Minerals, which can be attributed to 3 to 10 time better assimilation of minerals.
Fear is the absence of knowledge.
The price of living is living in eternal pain.