Re: Food for 1 year old
My opinion is that the recommended amounts on the bags are not intended for extremely high energy dogs like vizslas. They are for pet 'average energy' dogs,so I feed by eye...
if any of mine look thin, I up the calories by increasing fat and protein. i.e. either a higher grade food or more of what you're already feeding ( if your dog will eat more quantity?!)
Try not to worry, if your dog was starving he would eat anything just to fill his tummy!
If you give your dog too much in one feed he will probebly regurgitate it anyway ,so spread the extra though out his meals.
And encourage rest after food.