Okeudo, N.J., and B.W. Moss. “Serum Cortisol Concentration in Different Sex-Types and Slaughter Weights, and Its Relationship With Meat Quality and Intramuscular Fatty Acid Profile”. Pakistan Journal of Nutrition, vol. 4, no. 2, Feb. 2005, pp. 64-68, https://doi.org/10.3923/pjn.2005.64.68.