Our breeder had the puppies on Diamond large breed lamb and rice. We moved Denna over to Solid Gold Wolf Pup after doing a bunch of internet research. The Wolf Cub was the only one I found that mentioned regulated levels of calcium for slow growth of large/giant breeds. It's a bison, fish, rice and barley based diet with lots of veggies. I'd love to hear your thoughts on the Wolf Cub/King food, Christina!
Our previous dog, a 100 lb Dane/Lab mix, grew up on Eagle Holistic large breed adult (per the Dane Lady's recommendations), and he did well. We switched him to a grain-free diet in his later years (again, per the Dane Lady's recommendations, as Eagle/Holistic was sold to a larger conglomerate) - and he loved the grain-free stuff. We still lost him earlier than we'd expected. He was in excellent health and danced around like a puppy at the off-leash parks, but developed an inoperable cancer tumor in his spine when he was just under 9 years old.
After losing two great dogs to cancer (both around the 8-9 year age), I'm open to any suggestions on food supplements to support a healthy immune system. Denna loves raw/frozen broccoli stems, and we also plan on adding some raw food to her diet once we know we've got her GI issues understood (she still has random bouts of soft stools that we're trying to identify all the culprits for...). Sorry.. didn't mean to take over this thread...