Ayasan, T. and Okan, F. 2014. The Effect of Choice Feeding Based on Threonine on Performance and Carcass Parameters of Male Broiler Chicks. Turkish Journal of Agriculture - Food Science and Technology. 2, 4 (May 2014), 190–196. DOI:https://doi.org/10.24925/turjaf.v2i4.190-196.117.