Chamba, F., M. Puyalto, A. Ortiz, H. Torrealba, J.J. Mallo, and R. Riboty. 2014. “Effect of Partially Protected Sodium Butyrate on Performance, Digestive Organs, Intestinal Villi and E. Coli Development in Broilers Chickens”. International Journal of Poultry Science 13 (7): 390–396. https://doi.org/10.3923/ijps.2014.390.396.