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here's a review on science diet from dogfoodanalysis.com
The primary ingredient in the food is a low quality grain. Corn is a problematic grain that is difficult for dogs to digest and thought to be the cause of a great many allergy and yeast infection problems. We prefer not to see this used in dog food, yet it is the primary grain in this food. Corn appears a second time, third on the ingredient list, this time as gluten meal. The AAFCO definition of this ingredient is "the dried residue from corn after the removal of the larger part of the starch and germ, and the separation of the bran by the process employed in the wet milling manufacture of corn starch or syrup, or by enzymatic treatment of the endosperm". In plain English, that which remains after all the nutritious bits have been removed.
The second ingredient in this food is by-products. It is impossible to ascertain the quality of by-products and these are usually products that are of such low quality as to be rejected for use in the human food chain, or else are those parts that have so little value that they cannot be used elsewhere in either the human or pet food industries. The AAFCO definition of chicken by-product meal is “a meal consisting of the ground, rendered, clean parts of the carcass of slaughtered chicken, such as necks, feet, undeveloped eggs and intestines, exclusive of feathers, except in such amounts as might occur unavoidable in good processing practice.”
Beet pulp is further filler and a controversial ingredient – it is a by-product, being dried residue from sugar beets which has been cleaned and extracted in the process of manufacturing sugar. It is a controversial ingredient in dog food, claimed by some manufacturers to be a good source of fibre, and derided by others as an ingredient added to slow down the transition of rancid animal fats and causing stress to kidney and liver in the process. We note that beet pulp is an ingredient that commonly causes problems for dogs, including allergies and ear infections, and prefer not to see it used in dog food. There are less controversial products around if additional fibre is required.
Animal fat is a further low quality ingredient and is impossible to determine the source. Unidentified ingredients are usually very low quality. AAFCO define this as "obtained from the tissues of mammals and/or poultry in the commercial processes of rendering or extracting. It consists predominantly of glyceride esters of fatty acids and contains no additions of free fatty acids. If an antioxidant is used, the common name or names must be indicated, followed by the words "used as a preservative". It is a concern to see a fat as the fourth ingredient. Research at Purdue University has identified fat in the top four ingredients of a dry food as a factor that increases the risk of bloat in large breed dogs. Smaller breeds are untested.
The food uses artificial flavour, and brewers rice which is a low quality grain and by-product.
if i were you i would gradually switch to a higher quality food. especially with the problems in berners (cancer, skin issues, digestive issues) i would feed something that has ingredients similar to the good meats and veggies we eat. look for actual meat as the first ingredient and then some good veggies like carrots, spinach and fruit like berries and apples. hope this helps!
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