Darsi Arani, E., Zaghari, M., & Barzegar, M. "Effects of activated zinc oxide on serum changes of interleukin 6, tumor necrosis factor alpha and occludance 1 in broiler breeder hens", Iranian Journal of animal Science, 52, 1, 2021, 1–10. doi: 10.22059/ijas.2020.300805.653777