1. Predietors of fertilization in the Japanese quail, Coturnix japonica;Adkins-Regan;Anim. Behav.,1995
2. Observational study of behavior: sampling methods;Altmann;Behaviour,1974
3. Poultry Behaviour and Welfare;Appleby,2004
4. Arnould, C., Butterworth, A., Knierim, U., 2009. Standardisation of clinical scoring in poultry. In: Assessment of animal welfare measures for layers and broilers, 9. Welfare Quality® Series, pp. 7 (30).
5. Future directions in behavioural syndromes research;Bell;Proc. Biol. Sci.,2007