On lower quality forage, such as grasses and sedges, bison achieve greater digestive efficiencies than domestic cattle, but on high quality forages such as alfalfa, the digestive efficiency of bison and cattle converge.
Postage stamps:
  Canada (1992.12.30, Mi 1338A) - Флаг над прерией
  USA (2001.03.06, Mi 3442) - Nine-Mile Prairie, Nebraska
  1. Жизнь животных, том 6. Млекопитающие или звери (под ред. Наумова С. П. и Кузякина А. П.). М.: Просвещение. 1971.
  2. Bergmann G.T., Craine J.M., Robeson M.S., II, Fierer N. Seasonal Shifts in Diet and Gut Microbiota of the American Bison (Bison bison). PLoS ONE 10(11), 2015.
  3. Gates, C. C., Freese, C. H., Gogan, P. J. P. and Kotzman, M. (eds. and comps.) (2010). American Bison: Status Survey and Conservation Guidelines 2010. Gland, Switzerland.
  4. Popp, J. K. Range ecology of bison on mixed grass prairie at Wind Cave National Park. Irowa State University. Ames, Iowa, 1981.
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