The hog ration that will give the greatest average daily gains may or may not be the same one that will give you the lowest cost of gains. It depends on the relative prices of the feeds that go into the ration. Research workers in animal nutrition and farm management at Iowa State are developing some guideposts for choosing the most profitable ration.
Catron, Damon; Heady, Earl O.; Ashton, Gordon C.; and Mckee, Dean
"Fastest or Cheapest Gains for Hogs?,"
Iowa Farm Science: Vol. 8
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol8/iss8/2