Puppy formula 5 star Adult 4 star?

lilrider

Forums Regular
So we've had mr Roscoe home for almost a week now and I'm getting ready to switch his food. He's currently on Iams as that's what the breeder feeds and she gave us a small bag of it... I personally can't stand anything with corn in it and won't feed my dogs anything like that. Especially as my rat terrier has several food allergies so no corn wheat or soy for her. Anyways I have our other two, rat terrier and pit boston mix, on Diamond Naturals. But plan to switch them to something higher quality soon.
So I was considering switching them to Chicken Soup as we sell it at work. We don't sell the puppy formula so I'd have to get Roscoes sonewhere else but my breeder recommended switching to adult at 6 months anyways and he is almost 3 months so I would probably only have to buy 2 bags or one big bag. Anyhow I love the dog food analysis website but I'm a bit confused. The puppy formula is 5 stars but the adult formula is 4 stars. Anyone know why this is?
 
I could've sworn the last time I looked (4 months ago) both dog & puppy for chicken soup were rated 5 stars. But it says it was last reviewed in 2006 which is strange.

The puppy food is:

4% higher in protein
2% higher in fat
20mg higher in Zinc
1.1% higher in Omega 6
0.1% higher in Omega 3

And it contains DHA.

Other than that I don't see a huge difference between the two foods.

The DHA seems to come from Salmon Oil which is in the puppy food but not in the adult dog food.
 
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