Volume 76, Issue 6 Article metrics loading... /content/journal/ijsem/10.1099/ijsem.0.007209 Metrics Download as PowerPoint /deliver/fulltext/ijsem/76/6/ijsem007209.html?itemId=/content/journal/ijsem/10.1099/ijsem.0.007209&mimeType=html&fmt=ahah References Swart D, Mackie RI, Hayes JP. Fermentative digestion in the ostrich (Struthio camelus var. domesticus), a large avian species that utilizes cellulose1. South Afr J Anim Sci 1993; 23:127–135 [Google Scholar] Clench MH, Mathias JR.