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.

The correct author list is as follows:
M. Savari, M.S.S. Firouzabadi, F. Mohammadi, R. Abigaba, A.R. Rayshan, A. Gharagozloo, F. Abdollahzadeh, & E. Ghasemi