Ohara, Ken, et al. “Comparison of Growth in Three Varieties of the Japanese Extremely Long-Tailed Chicken Breed (Tosa-No-Onagadori)”. International Journal of Poultry Science, vol. 12, no. 9, Aug. 2013, pp. 517–522, https://doi.org/10.3923/ijps.2013.517.522.