Kleinlugtenbelt, C., M. Clauss, A. Burkevica, and A. De Cuyper. “Fasted and Furious? Considerations on the Use of Fasting Days in Large Carnivore Husbandry”. Journal of Zoo and Aquarium Research, vol. 11, no. 3, July 2023, pp. 318-23, doi:10.19227/jzar.v11i3.713.