mudpuppy
Posted : 12/8/2007 1:13:38 PM
I agree these diets don't "imitate" raw diets at all, but you're wrong about the protein level- you're forgetting the water in raw meat. If you dehydrate a raw diet, to produce a kibble-like product, you end up around 40% protein. Numerous studies have shown that high protein levels don't stress dogs kidneys or cause any kind of problems; but some studies have shown that diets with "normal" kibble levels of protein lead to more injuries and poor muscling of the dogs.
I've posted calculations before showing that feeding these diets doesn't actually end up feeding your dog tons of protein or calcium. What they do is reduce the carbohydrate intake, something dogs DON'T need. Heres an example, all numbers gestimated by me as an illustrative example:
Your dog needs 800 calories per day. You feed EVO, which is 500 calories per cup, so you feed 1.6 cups per day. At 40% protein, 100 g of food per cup, that's approximately 64 grams of protein, and at 3% cacium, that's 4.8 g of calcium.
You feed same dog grain-filled cheap crap like purina. At 350 calories per cup, and 22% protein, you feed 2.3 cups per day. assuming it's 100 g of food per cup, that's approximately 51 grams of protein per day; and if it has 1.5% calcium, that's 3.5 g of calcium.
The real problem is that dog food labels are very misleading.
Let's say your dog is super-active and needs 1200 calories per day. If you fed purina to this dog, you'd be feeding 75 g of protein, which is more than the example-above is getting from evo. Also would be 5 g calcium, again more than the dog above fed on evo.