Bujňák, L., P. Naď, T. Mihok, A. Hreško Šamudovská, and F. Zigo. “Effect of Reduced Crude Protein Level on Fecal Nitrogen Excretion and Blood Profile in Finishing Pigs”. Asian Journal of Agriculture and Food Sciences, vol. 10, no. 6, Jan. 2023, doi:10.24203/ajafs.v10i6.7113.