Check out those labels to be sure they contain healthy ingredients. I have found a few treats from better dog food companies that have added sugars, color, and excessive starches; dental chews can also contain unsavory ingredients.
If you are unable to financially swing feeding a commercial or homemade raw diet all the time, pugmomsandy’s suggestion of feeding raw & canned or just canned would be good to consider too. I think you will see healthier skin and have less odor by improving the quality of his canned food as well.
Having his thyroid checked is a great suggestion; hair loss is one of the symptoms of a thyroid condition.
I have looked at raw diets before and bookmarked a few sites. Here’s a link to a list of premixes:
http://dogaware.com/diet/dogfoodmixes.html
Here’s some links for homemade diets:
http://dogaware.com/diet/homemade.html#
http://dogaware.com/diet/rawfoods.html
