%0 Conference Proceedings %T comparison of fixed and random regression test-day models for genetic evaluation of milk yeild trait of iranian holstein cows %A SHAMSHIRGARAN, YASAMAN %A Aslaminejad, Ali Asghar %A Tahmoorespur, Mojtaba %A H Farhangfar %A Bahri Binabaj, Fateme %A TAHERI GHAHFAROKHI, AMIR %J The European Association for Animal Production (EAAP) %D 2010