Eertink, Lianne, Jordan Wood, Wilbert F. Pellikaan, Larry J. Minter, Kimberly Ange-van Heugten, and Guido Bosch. “In Vitro Fermentation of Commonly Fed Herbivorous Feedstuffs Using African Elephant (Loxodonta Africana) Faecal Inoculum”. Journal of Zoo and Aquarium Research 8, no. 4 (October 31, 2020): 259–267. Accessed April 23, 2021. https://jzar.org/jzar/article/view/513.