article_snippet: Stronger: Once pups get stronger, pups graduate from formula to whole fish, and are playfully called 'feeders' while those that can once more compete for fish tossed into a pool are called 'fighters.'
article_snippet: Those that make the cut are tube-fed a gruel of pureed herring, Pedialyte, vitamins and milk three or four times a day after starting out with a simple broth of hydrating fluids and dextrose.
article_snippet: Those that graduate to whole fish are playfully called 'feeders' and those that can once more compete for fish tossed into a pool are called 'fighters.'