(1)
Zaefarian, F.; Zaghari, M.; Shivazad, M. The Threonine Requirements and Its Effects on Growth Performance and Gut Morphology of Broiler Chicken Fed Different Levels of Protein. Int. J. Poult. Sci. 2008, 7 (12), 1207–1215. https://doi.org/10.3923/ijps.2008.1207.1215.