Koskinen, Tuomo, Jari Piironen, and Tiina Hakonen. “Effects of Supplemental Microbial Phytase on Performance of Broiler Chickens”. Agricultural and Food Science 3, no. 5 (September 1, 1994): 457–466. Accessed November 25, 2024. https://journal.fi/afs/article/view/72717.