That's true mate but this guy is comparing one brand of mixer with another. It ain't going to make a world of difference what brand you use, they are mostly all the same. Obviously if your feeding a working dog on tinned dog food and expect it to put in a shift it ain't gonna happen but to compare one brand of mixer with another and expect miracles is folly.
Just going back to my 1st post on this; I feed a cheap complete food, mixed with fresh barf. The complete is instead of rusk or buscuit. The dogs also get mackeral, trout, rabbit, or whatever game I happen to have at the time of the