M. Amimoto, Y. Ouchi, M. Okita, T. Hirota, Y. Imura, and T. Bungo, “Application of a simple measuring method to evaluate the fecal microflora of dairy cows in the summer season”, J. Adv. Vet. Anim. Res, vol. 8, no. 2, pp. 307–311, Jun. 2021.