The article 'Effects of rumen undegradable protein source on feed intake and milk yield of Holstein dairy cows' (SAJAS volume 53, issue 5, DOI: 10.4314/sajas.v53i5.15) was initially published with an incorrect author list:

M. Savari¹, M.S.S. Firouzabadi²#, F. Mohammadi¹, R. Abigaba³, A. R. Rayshan⁴, A. Gharagozloo⁵ & F. Abdollahzadeh⁶

The CORRECT author list is as follows:

M. Savari¹, M.S.S. Firouzabadi²#, F. Mohammadi¹, R. Abigaba³, A.R. Rayshan⁴, A. Gharagozloo⁵, F. Abdollahzadeh⁶ & E. Ghasemi¹

¹Department of Animal Science, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, I. R. Iran

²Department of Clinical Science, Faculty of Veterinary Medicine, Ardakan University, P.O. Box 184, Ardakan, lran

³Department of Biomolecular and Biolab Sciences, Collage of Veterinary Medicine, Animal Resources & Biosecurity, Makerere University, P.O. Box 7062, Kampala, Uganda

⁴Scientific Affairs Department, University of Al-Qadisiyah, Iraq

⁵Department of Animal Science, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran

⁶Department of Animal Science, College of Agriculture, University of Tabriz, Tabriz, Iran