Ritz, J., Codron, D., Wenger, S., Rensch, E., Hatt, J.-M., Braun, U. and Clauss, M. (2014) “Ruminal pH in cattle (Bos primigenius f. taurus) and moose (Alces alces) under different feeding conditions: a pilot investigation”, Journal of Zoo and Aquarium Research, 2(2), pp. 44–51. doi: 10.19227/jzar.v2i2.24.