Ivan,
I second C4C – rotation is great for them, plus it is easy on the budget too! Websites such as http://www.petflow.com , http://www.chewy.com , http://www.wag.com offer awesome sales sometimes and you can stock up on various good 4- and 5-star foods for down to about $1/lb!!! Which is an awesome deal. For Victor, try http://www.sportdogfood.com too.
As for toppers – yes as well! I also use canned (sometimes), The Honest Kitchen (dehydrated raw I think), plain yoghurt, eggs, coconut oil, and canned sardines. Once a week my Bruno gets a Raw Meaty Bone (RMB) too. The effects of all those additives on skin and coat are tremendous, plus, it helps add variety to their diet and is overall better to their general health. 🙂
Good luck!
