At this period in time, before Vitamin C was discovered, fresh meat, in particularly raw meat, was critical for survival. The canned food didn't contain vitamin

At this period in time, before Vitamin C was discovered, fresh meat, in particularly raw meat, was critical for survival. The canned food didn't contain vitamin C so scurvy was a constant problem. The competent explorers learned the habit of eating raw meat from the inuits. That said, the walrus hut was built by Nansen and Johansen after leaving the ship.